Home / 9,215.12-12,716.85-5,023.37

Finding the Fourth Proportional to 9,215.12, 12,716.85 and 5,023.37

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Solution

The fourth proportional to 9,215.12, 12,716.85 and 5,023.37 is: 6,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.12 : 12,716.85 = 5,023.37 : x
  2. Step 2: Convert to fraction form
    9,215.12/12,716.85 = 5,023.37/x
  3. Step 3: Cross multiply
    9,215.12x = 12,716.85 × 5,023.37
  4. Step 4: Simplify right side
    9,215.12x = 63,881,379.20
  5. Step 5: Solve for x
    x = 63,881,379.20/9,215.12
  6. Step 6: Final answer
    x = 6,932.24

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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.