Home / 11,275.73-15,560.19-6,240.16

Finding the Fourth Proportional to 11,275.73, 15,560.19 and 6,240.16

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Solution

The fourth proportional to 11,275.73, 15,560.19 and 6,240.16 is: 8,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.73 : 15,560.19 = 6,240.16 : x
  2. Step 2: Convert to fraction form
    11,275.73/15,560.19 = 6,240.16/x
  3. Step 3: Cross multiply
    11,275.73x = 15,560.19 × 6,240.16
  4. Step 4: Simplify right side
    11,275.73x = 97,098,075.23
  5. Step 5: Solve for x
    x = 97,098,075.23/11,275.73
  6. Step 6: Final answer
    x = 8,611.25

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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.