Home / 9,909.43-13,675.27-5,602.18

Finding the Fourth Proportional to 9,909.43, 13,675.27 and 5,602.18

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Solution

The fourth proportional to 9,909.43, 13,675.27 and 5,602.18 is: 7,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.43 : 13,675.27 = 5,602.18 : x
  2. Step 2: Convert to fraction form
    9,909.43/13,675.27 = 5,602.18/x
  3. Step 3: Cross multiply
    9,909.43x = 13,675.27 × 5,602.18
  4. Step 4: Simplify right side
    9,909.43x = 76,611,324.09
  5. Step 5: Solve for x
    x = 76,611,324.09/9,909.43
  6. Step 6: Final answer
    x = 7,731.15

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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.