Home / 8,901.32-12,284.73-5,124.62

Finding the Fourth Proportional to 8,901.32, 12,284.73 and 5,124.62

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Solution

The fourth proportional to 8,901.32, 12,284.73 and 5,124.62 is: 7,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.32 : 12,284.73 = 5,124.62 : x
  2. Step 2: Convert to fraction form
    8,901.32/12,284.73 = 5,124.62/x
  3. Step 3: Cross multiply
    8,901.32x = 12,284.73 × 5,124.62
  4. Step 4: Simplify right side
    8,901.32x = 62,954,603.76
  5. Step 5: Solve for x
    x = 62,954,603.76/8,901.32
  6. Step 6: Final answer
    x = 7,072.51

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