Home / 9,432.76-13,015.12-5,453.18

Finding the Fourth Proportional to 9,432.76, 13,015.12 and 5,453.18

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Solution

The fourth proportional to 9,432.76, 13,015.12 and 5,453.18 is: 7,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.76 : 13,015.12 = 5,453.18 : x
  2. Step 2: Convert to fraction form
    9,432.76/13,015.12 = 5,453.18/x
  3. Step 3: Cross multiply
    9,432.76x = 13,015.12 × 5,453.18
  4. Step 4: Simplify right side
    9,432.76x = 70,973,792.08
  5. Step 5: Solve for x
    x = 70,973,792.08/9,432.76
  6. Step 6: Final answer
    x = 7,524.18

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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.