Home / 10,415.92-14,370.96-6,223.36

Finding the Fourth Proportional to 10,415.92, 14,370.96 and 6,223.36

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Solution

The fourth proportional to 10,415.92, 14,370.96 and 6,223.36 is: 8,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.92 : 14,370.96 = 6,223.36 : x
  2. Step 2: Convert to fraction form
    10,415.92/14,370.96 = 6,223.36/x
  3. Step 3: Cross multiply
    10,415.92x = 14,370.96 × 6,223.36
  4. Step 4: Simplify right side
    10,415.92x = 89,435,657.63
  5. Step 5: Solve for x
    x = 89,435,657.63/10,415.92
  6. Step 6: Final answer
    x = 8,586.44

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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.