Home / 10,110.62-13,950.78-7,683.05

Finding the Fourth Proportional to 10,110.62, 13,950.78 and 7,683.05

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Solution

The fourth proportional to 10,110.62, 13,950.78 and 7,683.05 is: 10,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.62 : 13,950.78 = 7,683.05 : x
  2. Step 2: Convert to fraction form
    10,110.62/13,950.78 = 7,683.05/x
  3. Step 3: Cross multiply
    10,110.62x = 13,950.78 × 7,683.05
  4. Step 4: Simplify right side
    10,110.62x = 107,184,470.53
  5. Step 5: Solve for x
    x = 107,184,470.53/10,110.62
  6. Step 6: Final answer
    x = 10,601.18

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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.