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Finding the Fourth Proportional to 8,810.25, 12,159.23 and 5,084.25

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Solution

The fourth proportional to 8,810.25, 12,159.23 and 5,084.25 is: 7,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.25 : 12,159.23 = 5,084.25 : x
  2. Step 2: Convert to fraction form
    8,810.25/12,159.23 = 5,084.25/x
  3. Step 3: Cross multiply
    8,810.25x = 12,159.23 × 5,084.25
  4. Step 4: Simplify right side
    8,810.25x = 61,820,539.71
  5. Step 5: Solve for x
    x = 61,820,539.71/8,810.25
  6. Step 6: Final answer
    x = 7,016.89

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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.