Home / 10,278.92-14,184.96-5,563.19

Finding the Fourth Proportional to 10,278.92, 14,184.96 and 5,563.19

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Solution

The fourth proportional to 10,278.92, 14,184.96 and 5,563.19 is: 7,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.92 : 14,184.96 = 5,563.19 : x
  2. Step 2: Convert to fraction form
    10,278.92/14,184.96 = 5,563.19/x
  3. Step 3: Cross multiply
    10,278.92x = 14,184.96 × 5,563.19
  4. Step 4: Simplify right side
    10,278.92x = 78,913,627.62
  5. Step 5: Solve for x
    x = 78,913,627.62/10,278.92
  6. Step 6: Final answer
    x = 7,677.23

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Half scale
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Double scale
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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.