Home / 10,470.02-15,707.86-3,451.36

Finding the Fourth Proportional to 10,470.02, 15,707.86 and 3,451.36

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Solution

The fourth proportional to 10,470.02, 15,707.86 and 3,451.36 is: 5,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.02 : 15,707.86 = 3,451.36 : x
  2. Step 2: Convert to fraction form
    10,470.02/15,707.86 = 3,451.36/x
  3. Step 3: Cross multiply
    10,470.02x = 15,707.86 × 3,451.36
  4. Step 4: Simplify right side
    10,470.02x = 54,213,479.69
  5. Step 5: Solve for x
    x = 54,213,479.69/10,470.02
  6. Step 6: Final answer
    x = 5,177.97

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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.