Home / 10,853.56-16,255.02-7,924.60

Finding the Fourth Proportional to 10,853.56, 16,255.02 and 7,924.60

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Solution

The fourth proportional to 10,853.56, 16,255.02 and 7,924.60 is: 11,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.56 : 16,255.02 = 7,924.60 : x
  2. Step 2: Convert to fraction form
    10,853.56/16,255.02 = 7,924.60/x
  3. Step 3: Cross multiply
    10,853.56x = 16,255.02 × 7,924.60
  4. Step 4: Simplify right side
    10,853.56x = 128,814,531.49
  5. Step 5: Solve for x
    x = 128,814,531.49/10,853.56
  6. Step 6: Final answer
    x = 11,868.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.