Home / 10,780.41-14,878.34-6,065.60

Finding the Fourth Proportional to 10,780.41, 14,878.34 and 6,065.60

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Solution

The fourth proportional to 10,780.41, 14,878.34 and 6,065.60 is: 8,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.41 : 14,878.34 = 6,065.60 : x
  2. Step 2: Convert to fraction form
    10,780.41/14,878.34 = 6,065.60/x
  3. Step 3: Cross multiply
    10,780.41x = 14,878.34 × 6,065.60
  4. Step 4: Simplify right side
    10,780.41x = 90,245,954.38
  5. Step 5: Solve for x
    x = 90,245,954.38/10,780.41
  6. Step 6: Final answer
    x = 8,371.29

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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.