Home / 10,869.86-14,996.88-6,089.07

Finding the Fourth Proportional to 10,869.86, 14,996.88 and 6,089.07

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Solution

The fourth proportional to 10,869.86, 14,996.88 and 6,089.07 is: 8,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.86 : 14,996.88 = 6,089.07 : x
  2. Step 2: Convert to fraction form
    10,869.86/14,996.88 = 6,089.07/x
  3. Step 3: Cross multiply
    10,869.86x = 14,996.88 × 6,089.07
  4. Step 4: Simplify right side
    10,869.86x = 91,317,052.10
  5. Step 5: Solve for x
    x = 91,317,052.10/10,869.86
  6. Step 6: Final answer
    x = 8,400.94

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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.