Home / 10,082.05-15,123.51-3,508.74

Finding the Fourth Proportional to 10,082.05, 15,123.51 and 3,508.74

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Solution

The fourth proportional to 10,082.05, 15,123.51 and 3,508.74 is: 5,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.05 : 15,123.51 = 3,508.74 : x
  2. Step 2: Convert to fraction form
    10,082.05/15,123.51 = 3,508.74/x
  3. Step 3: Cross multiply
    10,082.05x = 15,123.51 × 3,508.74
  4. Step 4: Simplify right side
    10,082.05x = 53,064,464.48
  5. Step 5: Solve for x
    x = 53,064,464.48/10,082.05
  6. Step 6: Final answer
    x = 5,263.26

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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.