Home / 11,293.16-15,588.76-6,817.12

Finding the Fourth Proportional to 11,293.16, 15,588.76 and 6,817.12

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Solution

The fourth proportional to 11,293.16, 15,588.76 and 6,817.12 is: 9,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.16 : 15,588.76 = 6,817.12 : x
  2. Step 2: Convert to fraction form
    11,293.16/15,588.76 = 6,817.12/x
  3. Step 3: Cross multiply
    11,293.16x = 15,588.76 × 6,817.12
  4. Step 4: Simplify right side
    11,293.16x = 106,270,447.57
  5. Step 5: Solve for x
    x = 106,270,447.57/11,293.16
  6. Step 6: Final answer
    x = 9,410.16

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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.