Home / 8,145.13-11,240.28-4,608.26

Finding the Fourth Proportional to 8,145.13, 11,240.28 and 4,608.26

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Solution

The fourth proportional to 8,145.13, 11,240.28 and 4,608.26 is: 6,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.13 : 11,240.28 = 4,608.26 : x
  2. Step 2: Convert to fraction form
    8,145.13/11,240.28 = 4,608.26/x
  3. Step 3: Cross multiply
    8,145.13x = 11,240.28 × 4,608.26
  4. Step 4: Simplify right side
    8,145.13x = 51,798,132.71
  5. Step 5: Solve for x
    x = 51,798,132.71/8,145.13
  6. Step 6: Final answer
    x = 6,359.40

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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.