Home / 9,570.67-13,208.75-5,378.92

Finding the Fourth Proportional to 9,570.67, 13,208.75 and 5,378.92

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Solution

The fourth proportional to 9,570.67, 13,208.75 and 5,378.92 is: 7,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570.67 : 13,208.75 = 5,378.92 : x
  2. Step 2: Convert to fraction form
    9,570.67/13,208.75 = 5,378.92/x
  3. Step 3: Cross multiply
    9,570.67x = 13,208.75 × 5,378.92
  4. Step 4: Simplify right side
    9,570.67x = 71,048,809.55
  5. Step 5: Solve for x
    x = 71,048,809.55/9,570.67
  6. Step 6: Final answer
    x = 7,423.60

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Half scale
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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.