Home / 12,366.59-17,066.73-6,987.17

Finding the Fourth Proportional to 12,366.59, 17,066.73 and 6,987.17

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Solution

The fourth proportional to 12,366.59, 17,066.73 and 6,987.17 is: 9,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.59 : 17,066.73 = 6,987.17 : x
  2. Step 2: Convert to fraction form
    12,366.59/17,066.73 = 6,987.17/x
  3. Step 3: Cross multiply
    12,366.59x = 17,066.73 × 6,987.17
  4. Step 4: Simplify right side
    12,366.59x = 119,248,058.52
  5. Step 5: Solve for x
    x = 119,248,058.52/12,366.59
  6. Step 6: Final answer
    x = 9,642.76

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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.