Home / 10,543.72-15,815.58-2,752.46

Finding the Fourth Proportional to 10,543.72, 15,815.58 and 2,752.46

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Solution

The fourth proportional to 10,543.72, 15,815.58 and 2,752.46 is: 4,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.72 : 15,815.58 = 2,752.46 : x
  2. Step 2: Convert to fraction form
    10,543.72/15,815.58 = 2,752.46/x
  3. Step 3: Cross multiply
    10,543.72x = 15,815.58 × 2,752.46
  4. Step 4: Simplify right side
    10,543.72x = 43,531,751.33
  5. Step 5: Solve for x
    x = 43,531,751.33/10,543.72
  6. Step 6: Final answer
    x = 4,128.69

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Similar ratio
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1.5x scale

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.