Home / 10,491.40-15,704.70-6,095.80

Finding the Fourth Proportional to 10,491.40, 15,704.70 and 6,095.80

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Solution

The fourth proportional to 10,491.40, 15,704.70 and 6,095.80 is: 9,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.40 : 15,704.70 = 6,095.80 : x
  2. Step 2: Convert to fraction form
    10,491.40/15,704.70 = 6,095.80/x
  3. Step 3: Cross multiply
    10,491.40x = 15,704.70 × 6,095.80
  4. Step 4: Simplify right side
    10,491.40x = 95,732,710.26
  5. Step 5: Solve for x
    x = 95,732,710.26/10,491.40
  6. Step 6: Final answer
    x = 9,124.87

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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.