Home / 9,213.39-12,701.59-7,791.36

Finding the Fourth Proportional to 9,213.39, 12,701.59 and 7,791.36

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Solution

The fourth proportional to 9,213.39, 12,701.59 and 7,791.36 is: 10,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.39 : 12,701.59 = 7,791.36 : x
  2. Step 2: Convert to fraction form
    9,213.39/12,701.59 = 7,791.36/x
  3. Step 3: Cross multiply
    9,213.39x = 12,701.59 × 7,791.36
  4. Step 4: Simplify right side
    9,213.39x = 98,962,621.31
  5. Step 5: Solve for x
    x = 98,962,621.31/9,213.39
  6. Step 6: Final answer
    x = 10,741.18

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Half scale
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Double scale
Find fourth proportional to 9,214.39, 12,702.96 and 7,792.36
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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.