Home / 10,780.67-14,868.15-6,530.75

Finding the Fourth Proportional to 10,780.67, 14,868.15 and 6,530.75

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Solution

The fourth proportional to 10,780.67, 14,868.15 and 6,530.75 is: 9,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.67 : 14,868.15 = 6,530.75 : x
  2. Step 2: Convert to fraction form
    10,780.67/14,868.15 = 6,530.75/x
  3. Step 3: Cross multiply
    10,780.67x = 14,868.15 × 6,530.75
  4. Step 4: Simplify right side
    10,780.67x = 97,100,096.27
  5. Step 5: Solve for x
    x = 97,100,096.27/10,780.67
  6. Step 6: Final answer
    x = 9,006.87

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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.