Home / 8,106.39-11,187.13-4,569.53

Finding the Fourth Proportional to 8,106.39, 11,187.13 and 4,569.53

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Solution

The fourth proportional to 8,106.39, 11,187.13 and 4,569.53 is: 6,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.39 : 11,187.13 = 4,569.53 : x
  2. Step 2: Convert to fraction form
    8,106.39/11,187.13 = 4,569.53/x
  3. Step 3: Cross multiply
    8,106.39x = 11,187.13 × 4,569.53
  4. Step 4: Simplify right side
    8,106.39x = 51,119,858.79
  5. Step 5: Solve for x
    x = 51,119,858.79/8,106.39
  6. Step 6: Final answer
    x = 6,306.12

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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.