Home / 9,857.08-13,600.74-5,664.52

Finding the Fourth Proportional to 9,857.08, 13,600.74 and 5,664.52

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Solution

The fourth proportional to 9,857.08, 13,600.74 and 5,664.52 is: 7,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.08 : 13,600.74 = 5,664.52 : x
  2. Step 2: Convert to fraction form
    9,857.08/13,600.74 = 5,664.52/x
  3. Step 3: Cross multiply
    9,857.08x = 13,600.74 × 5,664.52
  4. Step 4: Simplify right side
    9,857.08x = 77,041,663.74
  5. Step 5: Solve for x
    x = 77,041,663.74/9,857.08
  6. Step 6: Final answer
    x = 7,815.87

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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.