Home / 8,062.13-11,125.85-4,428.47

Finding the Fourth Proportional to 8,062.13, 11,125.85 and 4,428.47

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Solution

The fourth proportional to 8,062.13, 11,125.85 and 4,428.47 is: 6,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.13 : 11,125.85 = 4,428.47 : x
  2. Step 2: Convert to fraction form
    8,062.13/11,125.85 = 4,428.47/x
  3. Step 3: Cross multiply
    8,062.13x = 11,125.85 × 4,428.47
  4. Step 4: Simplify right side
    8,062.13x = 49,270,415.18
  5. Step 5: Solve for x
    x = 49,270,415.18/8,062.13
  6. Step 6: Final answer
    x = 6,111.34

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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.