Home / 9,152.60-12,631.23-5,173.75

Finding the Fourth Proportional to 9,152.60, 12,631.23 and 5,173.75

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Solution

The fourth proportional to 9,152.60, 12,631.23 and 5,173.75 is: 7,140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.60 : 12,631.23 = 5,173.75 : x
  2. Step 2: Convert to fraction form
    9,152.60/12,631.23 = 5,173.75/x
  3. Step 3: Cross multiply
    9,152.60x = 12,631.23 × 5,173.75
  4. Step 4: Simplify right side
    9,152.60x = 65,350,763.06
  5. Step 5: Solve for x
    x = 65,350,763.06/9,152.60
  6. Step 6: Final answer
    x = 7,140.13

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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.