Home / 12,504.12-17,256.32-7,199.68

Finding the Fourth Proportional to 12,504.12, 17,256.32 and 7,199.68

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Solution

The fourth proportional to 12,504.12, 17,256.32 and 7,199.68 is: 9,935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.12 : 17,256.32 = 7,199.68 : x
  2. Step 2: Convert to fraction form
    12,504.12/17,256.32 = 7,199.68/x
  3. Step 3: Cross multiply
    12,504.12x = 17,256.32 × 7,199.68
  4. Step 4: Simplify right side
    12,504.12x = 124,239,981.98
  5. Step 5: Solve for x
    x = 124,239,981.98/12,504.12
  6. Step 6: Final answer
    x = 9,935.92

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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.