Home / 10,239.66-15,352.47-3,665.70

Finding the Fourth Proportional to 10,239.66, 15,352.47 and 3,665.70

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Solution

The fourth proportional to 10,239.66, 15,352.47 and 3,665.70 is: 5,496.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.66 : 15,352.47 = 3,665.70 : x
  2. Step 2: Convert to fraction form
    10,239.66/15,352.47 = 3,665.70/x
  3. Step 3: Cross multiply
    10,239.66x = 15,352.47 × 3,665.70
  4. Step 4: Simplify right side
    10,239.66x = 56,277,549.28
  5. Step 5: Solve for x
    x = 56,277,549.28/10,239.66
  6. Step 6: Final answer
    x = 5,496.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.