Home / 6,623.18-9,931.56-3,850.65

Finding the Fourth Proportional to 6,623.18, 9,931.56 and 3,850.65

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Solution

The fourth proportional to 6,623.18, 9,931.56 and 3,850.65 is: 5,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.18 : 9,931.56 = 3,850.65 : x
  2. Step 2: Convert to fraction form
    6,623.18/9,931.56 = 3,850.65/x
  3. Step 3: Cross multiply
    6,623.18x = 9,931.56 × 3,850.65
  4. Step 4: Simplify right side
    6,623.18x = 38,242,961.51
  5. Step 5: Solve for x
    x = 38,242,961.51/6,623.18
  6. Step 6: Final answer
    x = 5,774.11

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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.