Home / 12,366.06-17,055.21-10,870.80

Finding the Fourth Proportional to 12,366.06, 17,055.21 and 10,870.80

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Solution

The fourth proportional to 12,366.06, 17,055.21 and 10,870.80 is: 14,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.06 : 17,055.21 = 10,870.80 : x
  2. Step 2: Convert to fraction form
    12,366.06/17,055.21 = 10,870.80/x
  3. Step 3: Cross multiply
    12,366.06x = 17,055.21 × 10,870.80
  4. Step 4: Simplify right side
    12,366.06x = 185,403,776.87
  5. Step 5: Solve for x
    x = 185,403,776.87/12,366.06
  6. Step 6: Final answer
    x = 14,992.95

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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.