Home / 8,867.10-12,226.23-5,329.02

Finding the Fourth Proportional to 8,867.10, 12,226.23 and 5,329.02

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Solution

The fourth proportional to 8,867.10, 12,226.23 and 5,329.02 is: 7,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.10 : 12,226.23 = 5,329.02 : x
  2. Step 2: Convert to fraction form
    8,867.10/12,226.23 = 5,329.02/x
  3. Step 3: Cross multiply
    8,867.10x = 12,226.23 × 5,329.02
  4. Step 4: Simplify right side
    8,867.10x = 65,153,824.19
  5. Step 5: Solve for x
    x = 65,153,824.19/8,867.10
  6. Step 6: Final answer
    x = 7,347.82

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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.