Home / 9,031.06-12,463.95-5,494.78

Finding the Fourth Proportional to 9,031.06, 12,463.95 and 5,494.78

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Solution

The fourth proportional to 9,031.06, 12,463.95 and 5,494.78 is: 7,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.06 : 12,463.95 = 5,494.78 : x
  2. Step 2: Convert to fraction form
    9,031.06/12,463.95 = 5,494.78/x
  3. Step 3: Cross multiply
    9,031.06x = 12,463.95 × 5,494.78
  4. Step 4: Simplify right side
    9,031.06x = 68,486,663.18
  5. Step 5: Solve for x
    x = 68,486,663.18/9,031.06
  6. Step 6: Final answer
    x = 7,583.46

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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.