Home / 10,057.19-13,869.83-6,280.70

Finding the Fourth Proportional to 10,057.19, 13,869.83 and 6,280.70

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Solution

The fourth proportional to 10,057.19, 13,869.83 and 6,280.70 is: 8,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.19 : 13,869.83 = 6,280.70 : x
  2. Step 2: Convert to fraction form
    10,057.19/13,869.83 = 6,280.70/x
  3. Step 3: Cross multiply
    10,057.19x = 13,869.83 × 6,280.70
  4. Step 4: Simplify right side
    10,057.19x = 87,112,187.63
  5. Step 5: Solve for x
    x = 87,112,187.63/10,057.19
  6. Step 6: Final answer
    x = 8,661.69

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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.