Home / 9,317.19-12,842.78-8,554.17

Finding the Fourth Proportional to 9,317.19, 12,842.78 and 8,554.17

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Solution

The fourth proportional to 9,317.19, 12,842.78 and 8,554.17 is: 11,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.19 : 12,842.78 = 8,554.17 : x
  2. Step 2: Convert to fraction form
    9,317.19/12,842.78 = 8,554.17/x
  3. Step 3: Cross multiply
    9,317.19x = 12,842.78 × 8,554.17
  4. Step 4: Simplify right side
    9,317.19x = 109,859,280.62
  5. Step 5: Solve for x
    x = 109,859,280.62/9,317.19
  6. Step 6: Final answer
    x = 11,791.03

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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.