Home / 6,123.66-9,181.81-4,151.71

Finding the Fourth Proportional to 6,123.66, 9,181.81 and 4,151.71

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Solution

The fourth proportional to 6,123.66, 9,181.81 and 4,151.71 is: 6,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.66 : 9,181.81 = 4,151.71 : x
  2. Step 2: Convert to fraction form
    6,123.66/9,181.81 = 4,151.71/x
  3. Step 3: Cross multiply
    6,123.66x = 9,181.81 × 4,151.71
  4. Step 4: Simplify right side
    6,123.66x = 38,120,212.40
  5. Step 5: Solve for x
    x = 38,120,212.40/6,123.66
  6. Step 6: Final answer
    x = 6,225.07

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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.