Home / 10,355.04-15,532.56-2,959.65

Finding the Fourth Proportional to 10,355.04, 15,532.56 and 2,959.65

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Solution

The fourth proportional to 10,355.04, 15,532.56 and 2,959.65 is: 4,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.04 : 15,532.56 = 2,959.65 : x
  2. Step 2: Convert to fraction form
    10,355.04/15,532.56 = 2,959.65/x
  3. Step 3: Cross multiply
    10,355.04x = 15,532.56 × 2,959.65
  4. Step 4: Simplify right side
    10,355.04x = 45,970,941.20
  5. Step 5: Solve for x
    x = 45,970,941.20/10,355.04
  6. Step 6: Final answer
    x = 4,439.48

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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.