Home / 9,140.29-12,613.58-4,948.54

Finding the Fourth Proportional to 9,140.29, 12,613.58 and 4,948.54

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Solution

The fourth proportional to 9,140.29, 12,613.58 and 4,948.54 is: 6,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.29 : 12,613.58 = 4,948.54 : x
  2. Step 2: Convert to fraction form
    9,140.29/12,613.58 = 4,948.54/x
  3. Step 3: Cross multiply
    9,140.29x = 12,613.58 × 4,948.54
  4. Step 4: Simplify right side
    9,140.29x = 62,418,805.17
  5. Step 5: Solve for x
    x = 62,418,805.17/9,140.29
  6. Step 6: Final answer
    x = 6,828.97

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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.