Home / 8,155.44-11,254.47-4,618.98

Finding the Fourth Proportional to 8,155.44, 11,254.47 and 4,618.98

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Solution

The fourth proportional to 8,155.44, 11,254.47 and 4,618.98 is: 6,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.44 : 11,254.47 = 4,618.98 : x
  2. Step 2: Convert to fraction form
    8,155.44/11,254.47 = 4,618.98/x
  3. Step 3: Cross multiply
    8,155.44x = 11,254.47 × 4,618.98
  4. Step 4: Simplify right side
    8,155.44x = 51,984,171.84
  5. Step 5: Solve for x
    x = 51,984,171.84/8,155.44
  6. Step 6: Final answer
    x = 6,374.17

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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.