Home / 11,363.25-15,684.33-6,887.19

Finding the Fourth Proportional to 11,363.25, 15,684.33 and 6,887.19

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Solution

The fourth proportional to 11,363.25, 15,684.33 and 6,887.19 is: 9,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.25 : 15,684.33 = 6,887.19 : x
  2. Step 2: Convert to fraction form
    11,363.25/15,684.33 = 6,887.19/x
  3. Step 3: Cross multiply
    11,363.25x = 15,684.33 × 6,887.19
  4. Step 4: Simplify right side
    11,363.25x = 108,020,960.73
  5. Step 5: Solve for x
    x = 108,020,960.73/11,363.25
  6. Step 6: Final answer
    x = 9,506.17

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Half scale
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Double scale
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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.