Home / 10,740.27-14,826.60-7,161.20

Finding the Fourth Proportional to 10,740.27, 14,826.60 and 7,161.20

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Solution

The fourth proportional to 10,740.27, 14,826.60 and 7,161.20 is: 9,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.27 : 14,826.60 = 7,161.20 : x
  2. Step 2: Convert to fraction form
    10,740.27/14,826.60 = 7,161.20/x
  3. Step 3: Cross multiply
    10,740.27x = 14,826.60 × 7,161.20
  4. Step 4: Simplify right side
    10,740.27x = 106,176,173.79
  5. Step 5: Solve for x
    x = 106,176,173.79/10,740.27
  6. Step 6: Final answer
    x = 9,885.80

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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.