Home / 11,250.79-15,522.97-6,470.47

Finding the Fourth Proportional to 11,250.79, 15,522.97 and 6,470.47

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Solution

The fourth proportional to 11,250.79, 15,522.97 and 6,470.47 is: 8,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.79 : 15,522.97 = 6,470.47 : x
  2. Step 2: Convert to fraction form
    11,250.79/15,522.97 = 6,470.47/x
  3. Step 3: Cross multiply
    11,250.79x = 15,522.97 × 6,470.47
  4. Step 4: Simplify right side
    11,250.79x = 100,440,879.34
  5. Step 5: Solve for x
    x = 100,440,879.34/11,250.79
  6. Step 6: Final answer
    x = 8,927.46

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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.