Home / 8,996.38-12,415.02-5,017.75

Finding the Fourth Proportional to 8,996.38, 12,415.02 and 5,017.75

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Solution

The fourth proportional to 8,996.38, 12,415.02 and 5,017.75 is: 6,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.38 : 12,415.02 = 5,017.75 : x
  2. Step 2: Convert to fraction form
    8,996.38/12,415.02 = 5,017.75/x
  3. Step 3: Cross multiply
    8,996.38x = 12,415.02 × 5,017.75
  4. Step 4: Simplify right side
    8,996.38x = 62,295,448.11
  5. Step 5: Solve for x
    x = 62,295,448.11/8,996.38
  6. Step 6: Final answer
    x = 6,924.50

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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.