Home / 9,623.16-13,278.06-5,645.52

Finding the Fourth Proportional to 9,623.16, 13,278.06 and 5,645.52

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Solution

The fourth proportional to 9,623.16, 13,278.06 and 5,645.52 is: 7,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.16 : 13,278.06 = 5,645.52 : x
  2. Step 2: Convert to fraction form
    9,623.16/13,278.06 = 5,645.52/x
  3. Step 3: Cross multiply
    9,623.16x = 13,278.06 × 5,645.52
  4. Step 4: Simplify right side
    9,623.16x = 74,961,553.29
  5. Step 5: Solve for x
    x = 74,961,553.29/9,623.16
  6. Step 6: Final answer
    x = 7,789.70

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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.