Home / 9,140.70-12,616.31-5,948.49

Finding the Fourth Proportional to 9,140.70, 12,616.31 and 5,948.49

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Solution

The fourth proportional to 9,140.70, 12,616.31 and 5,948.49 is: 8,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.70 : 12,616.31 = 5,948.49 : x
  2. Step 2: Convert to fraction form
    9,140.70/12,616.31 = 5,948.49/x
  3. Step 3: Cross multiply
    9,140.70x = 12,616.31 × 5,948.49
  4. Step 4: Simplify right side
    9,140.70x = 75,047,964.13
  5. Step 5: Solve for x
    x = 75,047,964.13/9,140.70
  6. Step 6: Final answer
    x = 8,210.31

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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.