Home / 9,639.24-13,302.02-5,447.24

Finding the Fourth Proportional to 9,639.24, 13,302.02 and 5,447.24

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Solution

The fourth proportional to 9,639.24, 13,302.02 and 5,447.24 is: 7,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.24 : 13,302.02 = 5,447.24 : x
  2. Step 2: Convert to fraction form
    9,639.24/13,302.02 = 5,447.24/x
  3. Step 3: Cross multiply
    9,639.24x = 13,302.02 × 5,447.24
  4. Step 4: Simplify right side
    9,639.24x = 72,459,295.42
  5. Step 5: Solve for x
    x = 72,459,295.42/9,639.24
  6. Step 6: Final answer
    x = 7,517.12

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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.