Home / 12,655.24-17,465.29-7,349.74

Finding the Fourth Proportional to 12,655.24, 17,465.29 and 7,349.74

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Solution

The fourth proportional to 12,655.24, 17,465.29 and 7,349.74 is: 10,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655.24 : 17,465.29 = 7,349.74 : x
  2. Step 2: Convert to fraction form
    12,655.24/17,465.29 = 7,349.74/x
  3. Step 3: Cross multiply
    12,655.24x = 17,465.29 × 7,349.74
  4. Step 4: Simplify right side
    12,655.24x = 128,365,278.49
  5. Step 5: Solve for x
    x = 128,365,278.49/12,655.24
  6. Step 6: Final answer
    x = 10,143.25

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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.