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Finding the Fourth Proportional to 8,847.32, 12,210.12 and 4,869.24

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Solution

The fourth proportional to 8,847.32, 12,210.12 and 4,869.24 is: 6,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.32 : 12,210.12 = 4,869.24 : x
  2. Step 2: Convert to fraction form
    8,847.32/12,210.12 = 4,869.24/x
  3. Step 3: Cross multiply
    8,847.32x = 12,210.12 × 4,869.24
  4. Step 4: Simplify right side
    8,847.32x = 59,454,004.71
  5. Step 5: Solve for x
    x = 59,454,004.71/8,847.32
  6. Step 6: Final answer
    x = 6,720.00

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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.