Home / 12,569.56-17,345.32-7,192.11

Finding the Fourth Proportional to 12,569.56, 17,345.32 and 7,192.11

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Solution

The fourth proportional to 12,569.56, 17,345.32 and 7,192.11 is: 9,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.56 : 17,345.32 = 7,192.11 : x
  2. Step 2: Convert to fraction form
    12,569.56/17,345.32 = 7,192.11/x
  3. Step 3: Cross multiply
    12,569.56x = 17,345.32 × 7,192.11
  4. Step 4: Simplify right side
    12,569.56x = 124,749,449.43
  5. Step 5: Solve for x
    x = 124,749,449.43/12,569.56
  6. Step 6: Final answer
    x = 9,924.73

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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.