Home / 10,381.08-15,573.18-3,358.76

Finding the Fourth Proportional to 10,381.08, 15,573.18 and 3,358.76

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Solution

The fourth proportional to 10,381.08, 15,573.18 and 3,358.76 is: 5,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.08 : 15,573.18 = 3,358.76 : x
  2. Step 2: Convert to fraction form
    10,381.08/15,573.18 = 3,358.76/x
  3. Step 3: Cross multiply
    10,381.08x = 15,573.18 × 3,358.76
  4. Step 4: Simplify right side
    10,381.08x = 52,306,496.19
  5. Step 5: Solve for x
    x = 52,306,496.19/10,381.08
  6. Step 6: Final answer
    x = 5,038.64

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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.