Home / 12,631.13-17,431.07-6,966.08

Finding the Fourth Proportional to 12,631.13, 17,431.07 and 6,966.08

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Solution

The fourth proportional to 12,631.13, 17,431.07 and 6,966.08 is: 9,613.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.13 : 17,431.07 = 6,966.08 : x
  2. Step 2: Convert to fraction form
    12,631.13/17,431.07 = 6,966.08/x
  3. Step 3: Cross multiply
    12,631.13x = 17,431.07 × 6,966.08
  4. Step 4: Simplify right side
    12,631.13x = 121,426,228.11
  5. Step 5: Solve for x
    x = 121,426,228.11/12,631.13
  6. Step 6: Final answer
    x = 9,613.25

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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.