Home / 8,315.25-11,472.19-4,955.77

Finding the Fourth Proportional to 8,315.25, 11,472.19 and 4,955.77

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Solution

The fourth proportional to 8,315.25, 11,472.19 and 4,955.77 is: 6,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.25 : 11,472.19 = 4,955.77 : x
  2. Step 2: Convert to fraction form
    8,315.25/11,472.19 = 4,955.77/x
  3. Step 3: Cross multiply
    8,315.25x = 11,472.19 × 4,955.77
  4. Step 4: Simplify right side
    8,315.25x = 56,853,535.04
  5. Step 5: Solve for x
    x = 56,853,535.04/8,315.25
  6. Step 6: Final answer
    x = 6,837.26

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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.