Home / 8,107.76-11,187.28-4,570.97

Finding the Fourth Proportional to 8,107.76, 11,187.28 and 4,570.97

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Solution

The fourth proportional to 8,107.76, 11,187.28 and 4,570.97 is: 6,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.76 : 11,187.28 = 4,570.97 : x
  2. Step 2: Convert to fraction form
    8,107.76/11,187.28 = 4,570.97/x
  3. Step 3: Cross multiply
    8,107.76x = 11,187.28 × 4,570.97
  4. Step 4: Simplify right side
    8,107.76x = 51,136,746.15
  5. Step 5: Solve for x
    x = 51,136,746.15/8,107.76
  6. Step 6: Final answer
    x = 6,307.13

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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.