Home / 9,330.18-12,875.42-5,351.03

Finding the Fourth Proportional to 9,330.18, 12,875.42 and 5,351.03

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Solution

The fourth proportional to 9,330.18, 12,875.42 and 5,351.03 is: 7,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.18 : 12,875.42 = 5,351.03 : x
  2. Step 2: Convert to fraction form
    9,330.18/12,875.42 = 5,351.03/x
  3. Step 3: Cross multiply
    9,330.18x = 12,875.42 × 5,351.03
  4. Step 4: Simplify right side
    9,330.18x = 68,896,758.68
  5. Step 5: Solve for x
    x = 68,896,758.68/9,330.18
  6. Step 6: Final answer
    x = 7,384.29

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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.