Home / 9,764.87-13,475.48-5,288.58

Finding the Fourth Proportional to 9,764.87, 13,475.48 and 5,288.58

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Solution

The fourth proportional to 9,764.87, 13,475.48 and 5,288.58 is: 7,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.87 : 13,475.48 = 5,288.58 : x
  2. Step 2: Convert to fraction form
    9,764.87/13,475.48 = 5,288.58/x
  3. Step 3: Cross multiply
    9,764.87x = 13,475.48 × 5,288.58
  4. Step 4: Simplify right side
    9,764.87x = 71,266,127.58
  5. Step 5: Solve for x
    x = 71,266,127.58/9,764.87
  6. Step 6: Final answer
    x = 7,298.22

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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.