Home / 10,183.75-14,052.14-5,707.15

Finding the Fourth Proportional to 10,183.75, 14,052.14 and 5,707.15

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Solution

The fourth proportional to 10,183.75, 14,052.14 and 5,707.15 is: 7,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.75 : 14,052.14 = 5,707.15 : x
  2. Step 2: Convert to fraction form
    10,183.75/14,052.14 = 5,707.15/x
  3. Step 3: Cross multiply
    10,183.75x = 14,052.14 × 5,707.15
  4. Step 4: Simplify right side
    10,183.75x = 80,197,670.80
  5. Step 5: Solve for x
    x = 80,197,670.80/10,183.75
  6. Step 6: Final answer
    x = 7,875.06

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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.