Home / 8,763.12-12,086.28-5,225.58

Finding the Fourth Proportional to 8,763.12, 12,086.28 and 5,225.58

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Solution

The fourth proportional to 8,763.12, 12,086.28 and 5,225.58 is: 7,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.12 : 12,086.28 = 5,225.58 : x
  2. Step 2: Convert to fraction form
    8,763.12/12,086.28 = 5,225.58/x
  3. Step 3: Cross multiply
    8,763.12x = 12,086.28 × 5,225.58
  4. Step 4: Simplify right side
    8,763.12x = 63,157,823.04
  5. Step 5: Solve for x
    x = 63,157,823.04/8,763.12
  6. Step 6: Final answer
    x = 7,207.23

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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.