Home / 9,511.39-13,127.52-6,373.03

Finding the Fourth Proportional to 9,511.39, 13,127.52 and 6,373.03

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Solution

The fourth proportional to 9,511.39, 13,127.52 and 6,373.03 is: 8,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.39 : 13,127.52 = 6,373.03 : x
  2. Step 2: Convert to fraction form
    9,511.39/13,127.52 = 6,373.03/x
  3. Step 3: Cross multiply
    9,511.39x = 13,127.52 × 6,373.03
  4. Step 4: Simplify right side
    9,511.39x = 83,662,078.79
  5. Step 5: Solve for x
    x = 83,662,078.79/9,511.39
  6. Step 6: Final answer
    x = 8,795.99

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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.