Home / 10,903.12-15,046.67-6,123.91

Finding the Fourth Proportional to 10,903.12, 15,046.67 and 6,123.91

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Solution

The fourth proportional to 10,903.12, 15,046.67 and 6,123.91 is: 8,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.12 : 15,046.67 = 6,123.91 : x
  2. Step 2: Convert to fraction form
    10,903.12/15,046.67 = 6,123.91/x
  3. Step 3: Cross multiply
    10,903.12x = 15,046.67 × 6,123.91
  4. Step 4: Simplify right side
    10,903.12x = 92,144,401.30
  5. Step 5: Solve for x
    x = 92,144,401.30/10,903.12
  6. Step 6: Final answer
    x = 8,451.20

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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.