Home / 8,763.12-12,091.65-5,225.04

Finding the Fourth Proportional to 8,763.12, 12,091.65 and 5,225.04

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Solution

The fourth proportional to 8,763.12, 12,091.65 and 5,225.04 is: 7,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.12 : 12,091.65 = 5,225.04 : x
  2. Step 2: Convert to fraction form
    8,763.12/12,091.65 = 5,225.04/x
  3. Step 3: Cross multiply
    8,763.12x = 12,091.65 × 5,225.04
  4. Step 4: Simplify right side
    8,763.12x = 63,179,354.92
  5. Step 5: Solve for x
    x = 63,179,354.92/8,763.12
  6. Step 6: Final answer
    x = 7,209.69

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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.