Home / 9,039.28-12,482.76-5,902.96

Finding the Fourth Proportional to 9,039.28, 12,482.76 and 5,902.96

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Solution

The fourth proportional to 9,039.28, 12,482.76 and 5,902.96 is: 8,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.28 : 12,482.76 = 5,902.96 : x
  2. Step 2: Convert to fraction form
    9,039.28/12,482.76 = 5,902.96/x
  3. Step 3: Cross multiply
    9,039.28x = 12,482.76 × 5,902.96
  4. Step 4: Simplify right side
    9,039.28x = 73,685,232.97
  5. Step 5: Solve for x
    x = 73,685,232.97/9,039.28
  6. Step 6: Final answer
    x = 8,151.67

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Double scale
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Similar ratio
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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.