Home / 10,125.70-13,964.37-6,349.29

Finding the Fourth Proportional to 10,125.70, 13,964.37 and 6,349.29

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Solution

The fourth proportional to 10,125.70, 13,964.37 and 6,349.29 is: 8,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.70 : 13,964.37 = 6,349.29 : x
  2. Step 2: Convert to fraction form
    10,125.70/13,964.37 = 6,349.29/x
  3. Step 3: Cross multiply
    10,125.70x = 13,964.37 × 6,349.29
  4. Step 4: Simplify right side
    10,125.70x = 88,663,834.80
  5. Step 5: Solve for x
    x = 88,663,834.80/10,125.70
  6. Step 6: Final answer
    x = 8,756.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.