Home / 13,088.46-18,062.56-7,500.54

Finding the Fourth Proportional to 13,088.46, 18,062.56 and 7,500.54

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Solution

The fourth proportional to 13,088.46, 18,062.56 and 7,500.54 is: 10,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.46 : 18,062.56 = 7,500.54 : x
  2. Step 2: Convert to fraction form
    13,088.46/18,062.56 = 7,500.54/x
  3. Step 3: Cross multiply
    13,088.46x = 18,062.56 × 7,500.54
  4. Step 4: Simplify right side
    13,088.46x = 135,478,953.78
  5. Step 5: Solve for x
    x = 135,478,953.78/13,088.46
  6. Step 6: Final answer
    x = 10,351.02

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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.