Home / 8,600.55-11,868.05-4,823.20

Finding the Fourth Proportional to 8,600.55, 11,868.05 and 4,823.20

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Solution

The fourth proportional to 8,600.55, 11,868.05 and 4,823.20 is: 6,655.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.55 : 11,868.05 = 4,823.20 : x
  2. Step 2: Convert to fraction form
    8,600.55/11,868.05 = 4,823.20/x
  3. Step 3: Cross multiply
    8,600.55x = 11,868.05 × 4,823.20
  4. Step 4: Simplify right side
    8,600.55x = 57,241,938.90
  5. Step 5: Solve for x
    x = 57,241,938.90/8,600.55
  6. Step 6: Final answer
    x = 6,655.62

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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.