Home / 11,254.19-15,531.51-6,218.41

Finding the Fourth Proportional to 11,254.19, 15,531.51 and 6,218.41

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Solution

The fourth proportional to 11,254.19, 15,531.51 and 6,218.41 is: 8,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.19 : 15,531.51 = 6,218.41 : x
  2. Step 2: Convert to fraction form
    11,254.19/15,531.51 = 6,218.41/x
  3. Step 3: Cross multiply
    11,254.19x = 15,531.51 × 6,218.41
  4. Step 4: Simplify right side
    11,254.19x = 96,581,297.10
  5. Step 5: Solve for x
    x = 96,581,297.10/11,254.19
  6. Step 6: Final answer
    x = 8,581.81

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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.