Home / 10,247.12-14,139.99-5,770.76

Finding the Fourth Proportional to 10,247.12, 14,139.99 and 5,770.76

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Solution

The fourth proportional to 10,247.12, 14,139.99 and 5,770.76 is: 7,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.12 : 14,139.99 = 5,770.76 : x
  2. Step 2: Convert to fraction form
    10,247.12/14,139.99 = 5,770.76/x
  3. Step 3: Cross multiply
    10,247.12x = 14,139.99 × 5,770.76
  4. Step 4: Simplify right side
    10,247.12x = 81,598,488.69
  5. Step 5: Solve for x
    x = 81,598,488.69/10,247.12
  6. Step 6: Final answer
    x = 7,963.07

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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.