Home / 8,155.65-11,254.77-4,618.92

Finding the Fourth Proportional to 8,155.65, 11,254.77 and 4,618.92

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Solution

The fourth proportional to 8,155.65, 11,254.77 and 4,618.92 is: 6,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.65 : 11,254.77 = 4,618.92 : x
  2. Step 2: Convert to fraction form
    8,155.65/11,254.77 = 4,618.92/x
  3. Step 3: Cross multiply
    8,155.65x = 11,254.77 × 4,618.92
  4. Step 4: Simplify right side
    8,155.65x = 51,984,882.25
  5. Step 5: Solve for x
    x = 51,984,882.25/8,155.65
  6. Step 6: Final answer
    x = 6,374.09

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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.