Home / 11,057.81-15,261.95-6,580.67

Finding the Fourth Proportional to 11,057.81, 15,261.95 and 6,580.67

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Solution

The fourth proportional to 11,057.81, 15,261.95 and 6,580.67 is: 9,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.81 : 15,261.95 = 6,580.67 : x
  2. Step 2: Convert to fraction form
    11,057.81/15,261.95 = 6,580.67/x
  3. Step 3: Cross multiply
    11,057.81x = 15,261.95 × 6,580.67
  4. Step 4: Simplify right side
    11,057.81x = 100,433,796.65
  5. Step 5: Solve for x
    x = 100,433,796.65/11,057.81
  6. Step 6: Final answer
    x = 9,082.62

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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.