Home / 7,062.82-9,746.68-3,876.13

Finding the Fourth Proportional to 7,062.82, 9,746.68 and 3,876.13

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Solution

The fourth proportional to 7,062.82, 9,746.68 and 3,876.13 is: 5,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.82 : 9,746.68 = 3,876.13 : x
  2. Step 2: Convert to fraction form
    7,062.82/9,746.68 = 3,876.13/x
  3. Step 3: Cross multiply
    7,062.82x = 9,746.68 × 3,876.13
  4. Step 4: Simplify right side
    7,062.82x = 37,779,398.75
  5. Step 5: Solve for x
    x = 37,779,398.75/7,062.82
  6. Step 6: Final answer
    x = 5,349.05

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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.