Home / 9,528.14-13,153.12-7,171.04

Finding the Fourth Proportional to 9,528.14, 13,153.12 and 7,171.04

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Solution

The fourth proportional to 9,528.14, 13,153.12 and 7,171.04 is: 9,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.14 : 13,153.12 = 7,171.04 : x
  2. Step 2: Convert to fraction form
    9,528.14/13,153.12 = 7,171.04/x
  3. Step 3: Cross multiply
    9,528.14x = 13,153.12 × 7,171.04
  4. Step 4: Simplify right side
    9,528.14x = 94,321,549.64
  5. Step 5: Solve for x
    x = 94,321,549.64/9,528.14
  6. Step 6: Final answer
    x = 9,899.26

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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.