Home / 10,695.04-16,042.12-7,186.56

Finding the Fourth Proportional to 10,695.04, 16,042.12 and 7,186.56

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Solution

The fourth proportional to 10,695.04, 16,042.12 and 7,186.56 is: 10,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.04 : 16,042.12 = 7,186.56 : x
  2. Step 2: Convert to fraction form
    10,695.04/16,042.12 = 7,186.56/x
  3. Step 3: Cross multiply
    10,695.04x = 16,042.12 × 7,186.56
  4. Step 4: Simplify right side
    10,695.04x = 115,287,657.91
  5. Step 5: Solve for x
    x = 115,287,657.91/10,695.04
  6. Step 6: Final answer
    x = 10,779.54

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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.