Home / 10,869.08-14,999.20-6,153.34

Finding the Fourth Proportional to 10,869.08, 14,999.20 and 6,153.34

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Solution

The fourth proportional to 10,869.08, 14,999.20 and 6,153.34 is: 8,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.08 : 14,999.20 = 6,153.34 : x
  2. Step 2: Convert to fraction form
    10,869.08/14,999.20 = 6,153.34/x
  3. Step 3: Cross multiply
    10,869.08x = 14,999.20 × 6,153.34
  4. Step 4: Simplify right side
    10,869.08x = 92,295,177.33
  5. Step 5: Solve for x
    x = 92,295,177.33/10,869.08
  6. Step 6: Final answer
    x = 8,491.54

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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.