Home / 8,058.48-11,139.29-6,724.41

Finding the Fourth Proportional to 8,058.48, 11,139.29 and 6,724.41

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Solution

The fourth proportional to 8,058.48, 11,139.29 and 6,724.41 is: 9,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.48 : 11,139.29 = 6,724.41 : x
  2. Step 2: Convert to fraction form
    8,058.48/11,139.29 = 6,724.41/x
  3. Step 3: Cross multiply
    8,058.48x = 11,139.29 × 6,724.41
  4. Step 4: Simplify right side
    8,058.48x = 74,905,153.07
  5. Step 5: Solve for x
    x = 74,905,153.07/8,058.48
  6. Step 6: Final answer
    x = 9,295.20

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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.