Home / 8,083.76-11,155.56-4,547.80

Finding the Fourth Proportional to 8,083.76, 11,155.56 and 4,547.80

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Solution

The fourth proportional to 8,083.76, 11,155.56 and 4,547.80 is: 6,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.76 : 11,155.56 = 4,547.80 : x
  2. Step 2: Convert to fraction form
    8,083.76/11,155.56 = 4,547.80/x
  3. Step 3: Cross multiply
    8,083.76x = 11,155.56 × 4,547.80
  4. Step 4: Simplify right side
    8,083.76x = 50,733,255.77
  5. Step 5: Solve for x
    x = 50,733,255.77/8,083.76
  6. Step 6: Final answer
    x = 6,275.95

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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.