Home / 9,788.18-13,508.34-5,539.23

Finding the Fourth Proportional to 9,788.18, 13,508.34 and 5,539.23

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Solution

The fourth proportional to 9,788.18, 13,508.34 and 5,539.23 is: 7,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.18 : 13,508.34 = 5,539.23 : x
  2. Step 2: Convert to fraction form
    9,788.18/13,508.34 = 5,539.23/x
  3. Step 3: Cross multiply
    9,788.18x = 13,508.34 × 5,539.23
  4. Step 4: Simplify right side
    9,788.18x = 74,825,802.18
  5. Step 5: Solve for x
    x = 74,825,802.18/9,788.18
  6. Step 6: Final answer
    x = 7,644.51

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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.