Home / 8,924.28-12,249.55-7,907.32

Finding the Fourth Proportional to 8,924.28, 12,249.55 and 7,907.32

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Solution

The fourth proportional to 8,924.28, 12,249.55 and 7,907.32 is: 10,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.28 : 12,249.55 = 7,907.32 : x
  2. Step 2: Convert to fraction form
    8,924.28/12,249.55 = 7,907.32/x
  3. Step 3: Cross multiply
    8,924.28x = 12,249.55 × 7,907.32
  4. Step 4: Simplify right side
    8,924.28x = 96,861,111.71
  5. Step 5: Solve for x
    x = 96,861,111.71/8,924.28
  6. Step 6: Final answer
    x = 10,853.66

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Half scale
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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 (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.