Home / 8,867.10-12,237.12-5,090.28

Finding the Fourth Proportional to 8,867.10, 12,237.12 and 5,090.28

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Solution

The fourth proportional to 8,867.10, 12,237.12 and 5,090.28 is: 7,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.10 : 12,237.12 = 5,090.28 : x
  2. Step 2: Convert to fraction form
    8,867.10/12,237.12 = 5,090.28/x
  3. Step 3: Cross multiply
    8,867.10x = 12,237.12 × 5,090.28
  4. Step 4: Simplify right side
    8,867.10x = 62,290,367.19
  5. Step 5: Solve for x
    x = 62,290,367.19/8,867.10
  6. Step 6: Final answer
    x = 7,024.89

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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.