Home / 7,250.12-10,005.40-4,106.24

Finding the Fourth Proportional to 7,250.12, 10,005.40 and 4,106.24

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Solution

The fourth proportional to 7,250.12, 10,005.40 and 4,106.24 is: 5,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.12 : 10,005.40 = 4,106.24 : x
  2. Step 2: Convert to fraction form
    7,250.12/10,005.40 = 4,106.24/x
  3. Step 3: Cross multiply
    7,250.12x = 10,005.40 × 4,106.24
  4. Step 4: Simplify right side
    7,250.12x = 41,084,573.70
  5. Step 5: Solve for x
    x = 41,084,573.70/7,250.12
  6. Step 6: Final answer
    x = 5,666.74

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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.