Home / 10,483.10-15,724.65-3,557.66

Finding the Fourth Proportional to 10,483.10, 15,724.65 and 3,557.66

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Solution

The fourth proportional to 10,483.10, 15,724.65 and 3,557.66 is: 5,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,483.10 : 15,724.65 = 3,557.66 : x
  2. Step 2: Convert to fraction form
    10,483.10/15,724.65 = 3,557.66/x
  3. Step 3: Cross multiply
    10,483.10x = 15,724.65 × 3,557.66
  4. Step 4: Simplify right side
    10,483.10x = 55,942,958.32
  5. Step 5: Solve for x
    x = 55,942,958.32/10,483.10
  6. Step 6: Final answer
    x = 5,336.49

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Double scale
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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.