Home / 9,015.90-13,523.85-8,886.30

Finding the Fourth Proportional to 9,015.90, 13,523.85 and 8,886.30

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Solution

The fourth proportional to 9,015.90, 13,523.85 and 8,886.30 is: 13,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.90 : 13,523.85 = 8,886.30 : x
  2. Step 2: Convert to fraction form
    9,015.90/13,523.85 = 8,886.30/x
  3. Step 3: Cross multiply
    9,015.90x = 13,523.85 × 8,886.30
  4. Step 4: Simplify right side
    9,015.90x = 120,176,988.26
  5. Step 5: Solve for x
    x = 120,176,988.26/9,015.90
  6. Step 6: Final answer
    x = 13,329.45

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