Home / 9,173.20-12,656.12-5,395.16

Finding the Fourth Proportional to 9,173.20, 12,656.12 and 5,395.16

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Solution

The fourth proportional to 9,173.20, 12,656.12 and 5,395.16 is: 7,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.20 : 12,656.12 = 5,395.16 : x
  2. Step 2: Convert to fraction form
    9,173.20/12,656.12 = 5,395.16/x
  3. Step 3: Cross multiply
    9,173.20x = 12,656.12 × 5,395.16
  4. Step 4: Simplify right side
    9,173.20x = 68,281,792.38
  5. Step 5: Solve for x
    x = 68,281,792.38/9,173.20
  6. Step 6: Final answer
    x = 7,443.62

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Half scale
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Double scale
Find fourth proportional to 9,174.20, 12,657.50 and 5,396.16
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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.