Home / 8,859.12-12,225.18-4,880.04

Finding the Fourth Proportional to 8,859.12, 12,225.18 and 4,880.04

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Solution

The fourth proportional to 8,859.12, 12,225.18 and 4,880.04 is: 6,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.12 : 12,225.18 = 4,880.04 : x
  2. Step 2: Convert to fraction form
    8,859.12/12,225.18 = 4,880.04/x
  3. Step 3: Cross multiply
    8,859.12x = 12,225.18 × 4,880.04
  4. Step 4: Simplify right side
    8,859.12x = 59,659,367.41
  5. Step 5: Solve for x
    x = 59,659,367.41/8,859.12
  6. Step 6: Final answer
    x = 6,734.23

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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.