Home / 10,869.09-14,999.72-6,089.24

Finding the Fourth Proportional to 10,869.09, 14,999.72 and 6,089.24

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Solution

The fourth proportional to 10,869.09, 14,999.72 and 6,089.24 is: 8,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.09 : 14,999.72 = 6,089.24 : x
  2. Step 2: Convert to fraction form
    10,869.09/14,999.72 = 6,089.24/x
  3. Step 3: Cross multiply
    10,869.09x = 14,999.72 × 6,089.24
  4. Step 4: Simplify right side
    10,869.09x = 91,336,789.57
  5. Step 5: Solve for x
    x = 91,336,789.57/10,869.09
  6. Step 6: Final answer
    x = 8,403.35

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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.