Home / 9,439.47-14,154.55-5,492.07

Finding the Fourth Proportional to 9,439.47, 14,154.55 and 5,492.07

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Solution

The fourth proportional to 9,439.47, 14,154.55 and 5,492.07 is: 8,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.47 : 14,154.55 = 5,492.07 : x
  2. Step 2: Convert to fraction form
    9,439.47/14,154.55 = 5,492.07/x
  3. Step 3: Cross multiply
    9,439.47x = 14,154.55 × 5,492.07
  4. Step 4: Simplify right side
    9,439.47x = 77,737,765.69
  5. Step 5: Solve for x
    x = 77,737,765.69/9,439.47
  6. Step 6: Final answer
    x = 8,235.40

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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.