Home / 10,927.20-16,374.60-9,274.80

Finding the Fourth Proportional to 10,927.20, 16,374.60 and 9,274.80

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Solution

The fourth proportional to 10,927.20, 16,374.60 and 9,274.80 is: 13,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.20 : 16,374.60 = 9,274.80 : x
  2. Step 2: Convert to fraction form
    10,927.20/16,374.60 = 9,274.80/x
  3. Step 3: Cross multiply
    10,927.20x = 16,374.60 × 9,274.80
  4. Step 4: Simplify right side
    10,927.20x = 151,871,140.08
  5. Step 5: Solve for x
    x = 151,871,140.08/10,927.20
  6. Step 6: Final answer
    x = 13,898.45

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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.