Home / 12,448.06-17,178.30-6,859.06

Finding the Fourth Proportional to 12,448.06, 17,178.30 and 6,859.06

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Solution

The fourth proportional to 12,448.06, 17,178.30 and 6,859.06 is: 9,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.06 : 17,178.30 = 6,859.06 : x
  2. Step 2: Convert to fraction form
    12,448.06/17,178.30 = 6,859.06/x
  3. Step 3: Cross multiply
    12,448.06x = 17,178.30 × 6,859.06
  4. Step 4: Simplify right side
    12,448.06x = 117,826,904.51
  5. Step 5: Solve for x
    x = 117,826,904.51/12,448.06
  6. Step 6: Final answer
    x = 9,465.49

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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.