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Finding the Fourth Proportional to 8,847.53, 12,210.10 and 4,868.74

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Solution

The fourth proportional to 8,847.53, 12,210.10 and 4,868.74 is: 6,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.53 : 12,210.10 = 4,868.74 : x
  2. Step 2: Convert to fraction form
    8,847.53/12,210.10 = 4,868.74/x
  3. Step 3: Cross multiply
    8,847.53x = 12,210.10 × 4,868.74
  4. Step 4: Simplify right side
    8,847.53x = 59,447,802.27
  5. Step 5: Solve for x
    x = 59,447,802.27/8,847.53
  6. Step 6: Final answer
    x = 6,719.14

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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.