Home / 8,255.04-11,385.12-5,598.08

Finding the Fourth Proportional to 8,255.04, 11,385.12 and 5,598.08

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Solution

The fourth proportional to 8,255.04, 11,385.12 and 5,598.08 is: 7,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.04 : 11,385.12 = 5,598.08 : x
  2. Step 2: Convert to fraction form
    8,255.04/11,385.12 = 5,598.08/x
  3. Step 3: Cross multiply
    8,255.04x = 11,385.12 × 5,598.08
  4. Step 4: Simplify right side
    8,255.04x = 63,734,812.57
  5. Step 5: Solve for x
    x = 63,734,812.57/8,255.04
  6. Step 6: Final answer
    x = 7,720.72

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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.