Home / 10,434.76-15,633.30-6,916.42

Finding the Fourth Proportional to 10,434.76, 15,633.30 and 6,916.42

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Solution

The fourth proportional to 10,434.76, 15,633.30 and 6,916.42 is: 10,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.76 : 15,633.30 = 6,916.42 : x
  2. Step 2: Convert to fraction form
    10,434.76/15,633.30 = 6,916.42/x
  3. Step 3: Cross multiply
    10,434.76x = 15,633.30 × 6,916.42
  4. Step 4: Simplify right side
    10,434.76x = 108,126,514.26
  5. Step 5: Solve for x
    x = 108,126,514.26/10,434.76
  6. Step 6: Final answer
    x = 10,362.15

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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.