Home / 7,554.12-10,425.39-4,570.69

Finding the Fourth Proportional to 7,554.12, 10,425.39 and 4,570.69

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Solution

The fourth proportional to 7,554.12, 10,425.39 and 4,570.69 is: 6,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.12 : 10,425.39 = 4,570.69 : x
  2. Step 2: Convert to fraction form
    7,554.12/10,425.39 = 4,570.69/x
  3. Step 3: Cross multiply
    7,554.12x = 10,425.39 × 4,570.69
  4. Step 4: Simplify right side
    7,554.12x = 47,651,225.82
  5. Step 5: Solve for x
    x = 47,651,225.82/7,554.12
  6. Step 6: Final answer
    x = 6,307.98

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Half scale
Find fourth proportional to 15,108.24, 20,850.78 and 9,141.38
Double scale
Find fourth proportional to 7,555.12, 10,426.77 and 4,571.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.