Home / 9,528.19-13,148.27-5,278.96

Finding the Fourth Proportional to 9,528.19, 13,148.27 and 5,278.96

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Solution

The fourth proportional to 9,528.19, 13,148.27 and 5,278.96 is: 7,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.19 : 13,148.27 = 5,278.96 : x
  2. Step 2: Convert to fraction form
    9,528.19/13,148.27 = 5,278.96/x
  3. Step 3: Cross multiply
    9,528.19x = 13,148.27 × 5,278.96
  4. Step 4: Simplify right side
    9,528.19x = 69,409,191.40
  5. Step 5: Solve for x
    x = 69,409,191.40/9,528.19
  6. Step 6: Final answer
    x = 7,284.61

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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.