Home / 9,909.18-13,674.51-5,432.97

Finding the Fourth Proportional to 9,909.18, 13,674.51 and 5,432.97

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Solution

The fourth proportional to 9,909.18, 13,674.51 and 5,432.97 is: 7,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.18 : 13,674.51 = 5,432.97 : x
  2. Step 2: Convert to fraction form
    9,909.18/13,674.51 = 5,432.97/x
  3. Step 3: Cross multiply
    9,909.18x = 13,674.51 × 5,432.97
  4. Step 4: Simplify right side
    9,909.18x = 74,293,113.85
  5. Step 5: Solve for x
    x = 74,293,113.85/9,909.18
  6. Step 6: Final answer
    x = 7,497.41

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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.