Home / 10,879.34-15,012.94-6,098.70

Finding the Fourth Proportional to 10,879.34, 15,012.94 and 6,098.70

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Solution

The fourth proportional to 10,879.34, 15,012.94 and 6,098.70 is: 8,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.34 : 15,012.94 = 6,098.70 : x
  2. Step 2: Convert to fraction form
    10,879.34/15,012.94 = 6,098.70/x
  3. Step 3: Cross multiply
    10,879.34x = 15,012.94 × 6,098.70
  4. Step 4: Simplify right side
    10,879.34x = 91,559,417.18
  5. Step 5: Solve for x
    x = 91,559,417.18/10,879.34
  6. Step 6: Final answer
    x = 8,415.90

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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.