Home / 10,957.62-15,121.50-6,483.58

Finding the Fourth Proportional to 10,957.62, 15,121.50 and 6,483.58

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Solution

The fourth proportional to 10,957.62, 15,121.50 and 6,483.58 is: 8,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.62 : 15,121.50 = 6,483.58 : x
  2. Step 2: Convert to fraction form
    10,957.62/15,121.50 = 6,483.58/x
  3. Step 3: Cross multiply
    10,957.62x = 15,121.50 × 6,483.58
  4. Step 4: Simplify right side
    10,957.62x = 98,041,454.97
  5. Step 5: Solve for x
    x = 98,041,454.97/10,957.62
  6. Step 6: Final answer
    x = 8,947.33

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1.5x scale

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.