Home / 11,062.20-15,265.26-6,870.36

Finding the Fourth Proportional to 11,062.20, 15,265.26 and 6,870.36

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Solution

The fourth proportional to 11,062.20, 15,265.26 and 6,870.36 is: 9,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,062.20 : 15,265.26 = 6,870.36 : x
  2. Step 2: Convert to fraction form
    11,062.20/15,265.26 = 6,870.36/x
  3. Step 3: Cross multiply
    11,062.20x = 15,265.26 × 6,870.36
  4. Step 4: Simplify right side
    11,062.20x = 104,877,831.69
  5. Step 5: Solve for x
    x = 104,877,831.69/11,062.20
  6. Step 6: Final answer
    x = 9,480.74

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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.