Home / 10,954.65-15,124.35-8,432.02

Finding the Fourth Proportional to 10,954.65, 15,124.35 and 8,432.02

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Solution

The fourth proportional to 10,954.65, 15,124.35 and 8,432.02 is: 11,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.65 : 15,124.35 = 8,432.02 : x
  2. Step 2: Convert to fraction form
    10,954.65/15,124.35 = 8,432.02/x
  3. Step 3: Cross multiply
    10,954.65x = 15,124.35 × 8,432.02
  4. Step 4: Simplify right side
    10,954.65x = 127,528,821.69
  5. Step 5: Solve for x
    x = 127,528,821.69/10,954.65
  6. Step 6: Final answer
    x = 11,641.52

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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.