Home / 9,747.06-13,451.10-5,555.22

Finding the Fourth Proportional to 9,747.06, 13,451.10 and 5,555.22

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Solution

The fourth proportional to 9,747.06, 13,451.10 and 5,555.22 is: 7,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.06 : 13,451.10 = 5,555.22 : x
  2. Step 2: Convert to fraction form
    9,747.06/13,451.10 = 5,555.22/x
  3. Step 3: Cross multiply
    9,747.06x = 13,451.10 × 5,555.22
  4. Step 4: Simplify right side
    9,747.06x = 74,723,819.74
  5. Step 5: Solve for x
    x = 74,723,819.74/9,747.06
  6. Step 6: Final answer
    x = 7,666.29

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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.