Home / 10,707.52-16,072.80-8,994.88

Finding the Fourth Proportional to 10,707.52, 16,072.80 and 8,994.88

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Solution

The fourth proportional to 10,707.52, 16,072.80 and 8,994.88 is: 13,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.52 : 16,072.80 = 8,994.88 : x
  2. Step 2: Convert to fraction form
    10,707.52/16,072.80 = 8,994.88/x
  3. Step 3: Cross multiply
    10,707.52x = 16,072.80 × 8,994.88
  4. Step 4: Simplify right side
    10,707.52x = 144,572,907.26
  5. Step 5: Solve for x
    x = 144,572,907.26/10,707.52
  6. Step 6: Final answer
    x = 13,502.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.