Home / 7,541.19-11,351.43-6,876.72

Finding the Fourth Proportional to 7,541.19, 11,351.43 and 6,876.72

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Solution

The fourth proportional to 7,541.19, 11,351.43 and 6,876.72 is: 10,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.19 : 11,351.43 = 6,876.72 : x
  2. Step 2: Convert to fraction form
    7,541.19/11,351.43 = 6,876.72/x
  3. Step 3: Cross multiply
    7,541.19x = 11,351.43 × 6,876.72
  4. Step 4: Simplify right side
    7,541.19x = 78,060,605.71
  5. Step 5: Solve for x
    x = 78,060,605.71/7,541.19
  6. Step 6: Final answer
    x = 10,351.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.