Home / 8,764.05-12,094.68-4,987.13

Finding the Fourth Proportional to 8,764.05, 12,094.68 and 4,987.13

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Solution

The fourth proportional to 8,764.05, 12,094.68 and 4,987.13 is: 6,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.05 : 12,094.68 = 4,987.13 : x
  2. Step 2: Convert to fraction form
    8,764.05/12,094.68 = 4,987.13/x
  3. Step 3: Cross multiply
    8,764.05x = 12,094.68 × 4,987.13
  4. Step 4: Simplify right side
    8,764.05x = 60,317,681.00
  5. Step 5: Solve for x
    x = 60,317,681.00/8,764.05
  6. Step 6: Final answer
    x = 6,882.40

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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.