Home / 9,177.92-12,665.45-4,986.17

Finding the Fourth Proportional to 9,177.92, 12,665.45 and 4,986.17

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Solution

The fourth proportional to 9,177.92, 12,665.45 and 4,986.17 is: 6,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.92 : 12,665.45 = 4,986.17 : x
  2. Step 2: Convert to fraction form
    9,177.92/12,665.45 = 4,986.17/x
  3. Step 3: Cross multiply
    9,177.92x = 12,665.45 × 4,986.17
  4. Step 4: Simplify right side
    9,177.92x = 63,152,061.90
  5. Step 5: Solve for x
    x = 63,152,061.90/9,177.92
  6. Step 6: Final answer
    x = 6,880.87

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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.