Home / 10,800.12-16,193.88-9,056.16

Finding the Fourth Proportional to 10,800.12, 16,193.88 and 9,056.16

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Solution

The fourth proportional to 10,800.12, 16,193.88 and 9,056.16 is: 13,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.12 : 16,193.88 = 9,056.16 : x
  2. Step 2: Convert to fraction form
    10,800.12/16,193.88 = 9,056.16/x
  3. Step 3: Cross multiply
    10,800.12x = 16,193.88 × 9,056.16
  4. Step 4: Simplify right side
    10,800.12x = 146,654,368.30
  5. Step 5: Solve for x
    x = 146,654,368.30/10,800.12
  6. Step 6: Final answer
    x = 13,578.96

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1.5x scale

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.