Home / 10,055.07-13,872.41-6,276.80

Finding the Fourth Proportional to 10,055.07, 13,872.41 and 6,276.80

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Solution

The fourth proportional to 10,055.07, 13,872.41 and 6,276.80 is: 8,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.07 : 13,872.41 = 6,276.80 : x
  2. Step 2: Convert to fraction form
    10,055.07/13,872.41 = 6,276.80/x
  3. Step 3: Cross multiply
    10,055.07x = 13,872.41 × 6,276.80
  4. Step 4: Simplify right side
    10,055.07x = 87,074,424.74
  5. Step 5: Solve for x
    x = 87,074,424.74/10,055.07
  6. Step 6: Final answer
    x = 8,659.75

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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.