Home / 9,021.01-12,448.49-4,987.60

Finding the Fourth Proportional to 9,021.01, 12,448.49 and 4,987.60

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Solution

The fourth proportional to 9,021.01, 12,448.49 and 4,987.60 is: 6,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.01 : 12,448.49 = 4,987.60 : x
  2. Step 2: Convert to fraction form
    9,021.01/12,448.49 = 4,987.60/x
  3. Step 3: Cross multiply
    9,021.01x = 12,448.49 × 4,987.60
  4. Step 4: Simplify right side
    9,021.01x = 62,088,123.73
  5. Step 5: Solve for x
    x = 62,088,123.73/9,021.01
  6. Step 6: Final answer
    x = 6,882.61

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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.