Home / 10,183.04-14,042.75-7,157.18

Finding the Fourth Proportional to 10,183.04, 14,042.75 and 7,157.18

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Solution

The fourth proportional to 10,183.04, 14,042.75 and 7,157.18 is: 9,869.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.04 : 14,042.75 = 7,157.18 : x
  2. Step 2: Convert to fraction form
    10,183.04/14,042.75 = 7,157.18/x
  3. Step 3: Cross multiply
    10,183.04x = 14,042.75 × 7,157.18
  4. Step 4: Simplify right side
    10,183.04x = 100,506,529.03
  5. Step 5: Solve for x
    x = 100,506,529.03/10,183.04
  6. Step 6: Final answer
    x = 9,869.99

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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.