Home / 10,000.74-14,991.15-4,726.41

Finding the Fourth Proportional to 10,000.74, 14,991.15 and 4,726.41

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Solution

The fourth proportional to 10,000.74, 14,991.15 and 4,726.41 is: 7,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.74 : 14,991.15 = 4,726.41 : x
  2. Step 2: Convert to fraction form
    10,000.74/14,991.15 = 4,726.41/x
  3. Step 3: Cross multiply
    10,000.74x = 14,991.15 × 4,726.41
  4. Step 4: Simplify right side
    10,000.74x = 70,854,321.27
  5. Step 5: Solve for x
    x = 70,854,321.27/10,000.74
  6. Step 6: Final answer
    x = 7,084.91

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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.