Home / 12,278.19-16,943.45-7,506.13

Finding the Fourth Proportional to 12,278.19, 16,943.45 and 7,506.13

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Solution

The fourth proportional to 12,278.19, 16,943.45 and 7,506.13 is: 10,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,278.19 : 16,943.45 = 7,506.13 : x
  2. Step 2: Convert to fraction form
    12,278.19/16,943.45 = 7,506.13/x
  3. Step 3: Cross multiply
    12,278.19x = 16,943.45 × 7,506.13
  4. Step 4: Simplify right side
    12,278.19x = 127,179,738.35
  5. Step 5: Solve for x
    x = 127,179,738.35/12,278.19
  6. Step 6: Final answer
    x = 10,358.18

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Find fourth proportional to 12,279.19, 16,944.83 and 7,507.13
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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.