Home / 10,123.92-13,966.80-6,143.52

Finding the Fourth Proportional to 10,123.92, 13,966.80 and 6,143.52

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Solution

The fourth proportional to 10,123.92, 13,966.80 and 6,143.52 is: 8,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.92 : 13,966.80 = 6,143.52 : x
  2. Step 2: Convert to fraction form
    10,123.92/13,966.80 = 6,143.52/x
  3. Step 3: Cross multiply
    10,123.92x = 13,966.80 × 6,143.52
  4. Step 4: Simplify right side
    10,123.92x = 85,805,315.14
  5. Step 5: Solve for x
    x = 85,805,315.14/10,123.92
  6. Step 6: Final answer
    x = 8,475.50

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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.