Home / 12,507.18-17,260.11-6,917.82

Finding the Fourth Proportional to 12,507.18, 17,260.11 and 6,917.82

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Solution

The fourth proportional to 12,507.18, 17,260.11 and 6,917.82 is: 9,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.18 : 17,260.11 = 6,917.82 : x
  2. Step 2: Convert to fraction form
    12,507.18/17,260.11 = 6,917.82/x
  3. Step 3: Cross multiply
    12,507.18x = 17,260.11 × 6,917.82
  4. Step 4: Simplify right side
    12,507.18x = 119,402,334.16
  5. Step 5: Solve for x
    x = 119,402,334.16/12,507.18
  6. Step 6: Final answer
    x = 9,546.70

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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.