Home / 10,152.68-15,232.62-7,958.12

Finding the Fourth Proportional to 10,152.68, 15,232.62 and 7,958.12

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Solution

The fourth proportional to 10,152.68, 15,232.62 and 7,958.12 is: 11,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.68 : 15,232.62 = 7,958.12 : x
  2. Step 2: Convert to fraction form
    10,152.68/15,232.62 = 7,958.12/x
  3. Step 3: Cross multiply
    10,152.68x = 15,232.62 × 7,958.12
  4. Step 4: Simplify right side
    10,152.68x = 121,223,017.87
  5. Step 5: Solve for x
    x = 121,223,017.87/10,152.68
  6. Step 6: Final answer
    x = 11,940.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.