Home / 9,330.09-12,875.13-5,348.45

Finding the Fourth Proportional to 9,330.09, 12,875.13 and 5,348.45

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Solution

The fourth proportional to 9,330.09, 12,875.13 and 5,348.45 is: 7,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.09 : 12,875.13 = 5,348.45 : x
  2. Step 2: Convert to fraction form
    9,330.09/12,875.13 = 5,348.45/x
  3. Step 3: Cross multiply
    9,330.09x = 12,875.13 × 5,348.45
  4. Step 4: Simplify right side
    9,330.09x = 68,861,924.67
  5. Step 5: Solve for x
    x = 68,861,924.67/9,330.09
  6. Step 6: Final answer
    x = 7,380.63

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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.