Home / 9,330.60-12,875.84-5,351.48

Finding the Fourth Proportional to 9,330.60, 12,875.84 and 5,351.48

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Solution

The fourth proportional to 9,330.60, 12,875.84 and 5,351.48 is: 7,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.60 : 12,875.84 = 5,351.48 : x
  2. Step 2: Convert to fraction form
    9,330.60/12,875.84 = 5,351.48/x
  3. Step 3: Cross multiply
    9,330.60x = 12,875.84 × 5,351.48
  4. Step 4: Simplify right side
    9,330.60x = 68,904,800.24
  5. Step 5: Solve for x
    x = 68,904,800.24/9,330.60
  6. Step 6: Final answer
    x = 7,384.82

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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.