Home / 11,256.71-15,534.02-6,220.81

Finding the Fourth Proportional to 11,256.71, 15,534.02 and 6,220.81

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Solution

The fourth proportional to 11,256.71, 15,534.02 and 6,220.81 is: 8,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.71 : 15,534.02 = 6,220.81 : x
  2. Step 2: Convert to fraction form
    11,256.71/15,534.02 = 6,220.81/x
  3. Step 3: Cross multiply
    11,256.71x = 15,534.02 × 6,220.81
  4. Step 4: Simplify right side
    11,256.71x = 96,634,221.93
  5. Step 5: Solve for x
    x = 96,634,221.93/11,256.71
  6. Step 6: Final answer
    x = 8,584.59

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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.