Home / 12,507.47-17,264.64-7,204.40

Finding the Fourth Proportional to 12,507.47, 17,264.64 and 7,204.40

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Solution

The fourth proportional to 12,507.47, 17,264.64 and 7,204.40 is: 9,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.47 : 17,264.64 = 7,204.40 : x
  2. Step 2: Convert to fraction form
    12,507.47/17,264.64 = 7,204.40/x
  3. Step 3: Cross multiply
    12,507.47x = 17,264.64 × 7,204.40
  4. Step 4: Simplify right side
    12,507.47x = 124,381,286.09
  5. Step 5: Solve for x
    x = 124,381,286.09/12,507.47
  6. Step 6: Final answer
    x = 9,944.56

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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.