Home / 12,529.42-17,278.66-7,492.82

Finding the Fourth Proportional to 12,529.42, 17,278.66 and 7,492.82

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Solution

The fourth proportional to 12,529.42, 17,278.66 and 7,492.82 is: 10,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.42 : 17,278.66 = 7,492.82 : x
  2. Step 2: Convert to fraction form
    12,529.42/17,278.66 = 7,492.82/x
  3. Step 3: Cross multiply
    12,529.42x = 17,278.66 × 7,492.82
  4. Step 4: Simplify right side
    12,529.42x = 129,465,889.22
  5. Step 5: Solve for x
    x = 129,465,889.22/12,529.42
  6. Step 6: Final answer
    x = 10,332.95

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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.