Home / 9,012.08-12,437.16-5,286.08

Finding the Fourth Proportional to 9,012.08, 12,437.16 and 5,286.08

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Solution

The fourth proportional to 9,012.08, 12,437.16 and 5,286.08 is: 7,295.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.08 : 12,437.16 = 5,286.08 : x
  2. Step 2: Convert to fraction form
    9,012.08/12,437.16 = 5,286.08/x
  3. Step 3: Cross multiply
    9,012.08x = 12,437.16 × 5,286.08
  4. Step 4: Simplify right side
    9,012.08x = 65,743,822.73
  5. Step 5: Solve for x
    x = 65,743,822.73/9,012.08
  6. Step 6: Final answer
    x = 7,295.08

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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.