Home / 15,100.78-22,628.07-6,330.91

Finding the Fourth Proportional to 15,100.78, 22,628.07 and 6,330.91

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Solution

The fourth proportional to 15,100.78, 22,628.07 and 6,330.91 is: 9,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.78 : 22,628.07 = 6,330.91 : x
  2. Step 2: Convert to fraction form
    15,100.78/22,628.07 = 6,330.91/x
  3. Step 3: Cross multiply
    15,100.78x = 22,628.07 × 6,330.91
  4. Step 4: Simplify right side
    15,100.78x = 143,256,274.64
  5. Step 5: Solve for x
    x = 143,256,274.64/15,100.78
  6. Step 6: Final answer
    x = 9,486.68

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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.