Home / 8,964.12-13,427.68-5,255.08

Finding the Fourth Proportional to 8,964.12, 13,427.68 and 5,255.08

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Solution

The fourth proportional to 8,964.12, 13,427.68 and 5,255.08 is: 7,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.12 : 13,427.68 = 5,255.08 : x
  2. Step 2: Convert to fraction form
    8,964.12/13,427.68 = 5,255.08/x
  3. Step 3: Cross multiply
    8,964.12x = 13,427.68 × 5,255.08
  4. Step 4: Simplify right side
    8,964.12x = 70,563,532.61
  5. Step 5: Solve for x
    x = 70,563,532.61/8,964.12
  6. Step 6: Final answer
    x = 7,871.77

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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.