Home / 7,126.36-10,689.02-2,446.18

Finding the Fourth Proportional to 7,126.36, 10,689.02 and 2,446.18

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Solution

The fourth proportional to 7,126.36, 10,689.02 and 2,446.18 is: 3,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.36 : 10,689.02 = 2,446.18 : x
  2. Step 2: Convert to fraction form
    7,126.36/10,689.02 = 2,446.18/x
  3. Step 3: Cross multiply
    7,126.36x = 10,689.02 × 2,446.18
  4. Step 4: Simplify right side
    7,126.36x = 26,147,266.94
  5. Step 5: Solve for x
    x = 26,147,266.94/7,126.36
  6. Step 6: Final answer
    x = 3,669.09

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.