Home / 11,133.56-15,365.19-6,352.40

Finding the Fourth Proportional to 11,133.56, 15,365.19 and 6,352.40

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Solution

The fourth proportional to 11,133.56, 15,365.19 and 6,352.40 is: 8,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.56 : 15,365.19 = 6,352.40 : x
  2. Step 2: Convert to fraction form
    11,133.56/15,365.19 = 6,352.40/x
  3. Step 3: Cross multiply
    11,133.56x = 15,365.19 × 6,352.40
  4. Step 4: Simplify right side
    11,133.56x = 97,605,798.38
  5. Step 5: Solve for x
    x = 97,605,798.38/11,133.56
  6. Step 6: Final answer
    x = 8,766.81

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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.