Home / 8,700.75-12,013.26-5,348.04

Finding the Fourth Proportional to 8,700.75, 12,013.26 and 5,348.04

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Solution

The fourth proportional to 8,700.75, 12,013.26 and 5,348.04 is: 7,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.75 : 12,013.26 = 5,348.04 : x
  2. Step 2: Convert to fraction form
    8,700.75/12,013.26 = 5,348.04/x
  3. Step 3: Cross multiply
    8,700.75x = 12,013.26 × 5,348.04
  4. Step 4: Simplify right side
    8,700.75x = 64,247,395.01
  5. Step 5: Solve for x
    x = 64,247,395.01/8,700.75
  6. Step 6: Final answer
    x = 7,384.12

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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.