Home / 10,319.04-15,463.44-5,114.52

Finding the Fourth Proportional to 10,319.04, 15,463.44 and 5,114.52

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Solution

The fourth proportional to 10,319.04, 15,463.44 and 5,114.52 is: 7,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.04 : 15,463.44 = 5,114.52 : x
  2. Step 2: Convert to fraction form
    10,319.04/15,463.44 = 5,114.52/x
  3. Step 3: Cross multiply
    10,319.04x = 15,463.44 × 5,114.52
  4. Step 4: Simplify right side
    10,319.04x = 79,088,073.15
  5. Step 5: Solve for x
    x = 79,088,073.15/10,319.04
  6. Step 6: Final answer
    x = 7,664.29

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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.