Home / 8,869.17-12,235.23-5,847.45

Finding the Fourth Proportional to 8,869.17, 12,235.23 and 5,847.45

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Solution

The fourth proportional to 8,869.17, 12,235.23 and 5,847.45 is: 8,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.17 : 12,235.23 = 5,847.45 : x
  2. Step 2: Convert to fraction form
    8,869.17/12,235.23 = 5,847.45/x
  3. Step 3: Cross multiply
    8,869.17x = 12,235.23 × 5,847.45
  4. Step 4: Simplify right side
    8,869.17x = 71,544,895.66
  5. Step 5: Solve for x
    x = 71,544,895.66/8,869.17
  6. Step 6: Final answer
    x = 8,066.70

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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.