Home / 10,475.64-15,711.84-6,803.91

Finding the Fourth Proportional to 10,475.64, 15,711.84 and 6,803.91

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Solution

The fourth proportional to 10,475.64, 15,711.84 and 6,803.91 is: 10,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.64 : 15,711.84 = 6,803.91 : x
  2. Step 2: Convert to fraction form
    10,475.64/15,711.84 = 6,803.91/x
  3. Step 3: Cross multiply
    10,475.64x = 15,711.84 × 6,803.91
  4. Step 4: Simplify right side
    10,475.64x = 106,901,945.29
  5. Step 5: Solve for x
    x = 106,901,945.29/10,475.64
  6. Step 6: Final answer
    x = 10,204.81

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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.