Home / 9,140.10-12,613.35-4,948.35

Finding the Fourth Proportional to 9,140.10, 12,613.35 and 4,948.35

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Solution

The fourth proportional to 9,140.10, 12,613.35 and 4,948.35 is: 6,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.10 : 12,613.35 = 4,948.35 : x
  2. Step 2: Convert to fraction form
    9,140.10/12,613.35 = 4,948.35/x
  3. Step 3: Cross multiply
    9,140.10x = 12,613.35 × 4,948.35
  4. Step 4: Simplify right side
    9,140.10x = 62,415,270.47
  5. Step 5: Solve for x
    x = 62,415,270.47/9,140.10
  6. Step 6: Final answer
    x = 6,828.73

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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.