Home / 11,085.71-15,298.45-6,305.53

Finding the Fourth Proportional to 11,085.71, 15,298.45 and 6,305.53

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Solution

The fourth proportional to 11,085.71, 15,298.45 and 6,305.53 is: 8,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.71 : 15,298.45 = 6,305.53 : x
  2. Step 2: Convert to fraction form
    11,085.71/15,298.45 = 6,305.53/x
  3. Step 3: Cross multiply
    11,085.71x = 15,298.45 × 6,305.53
  4. Step 4: Simplify right side
    11,085.71x = 96,464,845.57
  5. Step 5: Solve for x
    x = 96,464,845.57/11,085.71
  6. Step 6: Final answer
    x = 8,701.73

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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.