Home / 6,072.78-9,109.18-4,688.14

Finding the Fourth Proportional to 6,072.78, 9,109.18 and 4,688.14

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Solution

The fourth proportional to 6,072.78, 9,109.18 and 4,688.14 is: 7,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.78 : 9,109.18 = 4,688.14 : x
  2. Step 2: Convert to fraction form
    6,072.78/9,109.18 = 4,688.14/x
  3. Step 3: Cross multiply
    6,072.78x = 9,109.18 × 4,688.14
  4. Step 4: Simplify right side
    6,072.78x = 42,705,110.79
  5. Step 5: Solve for x
    x = 42,705,110.79/6,072.78
  6. Step 6: Final answer
    x = 7,032.21

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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.