Home / 11,114.96-15,336.08-6,637.83

Finding the Fourth Proportional to 11,114.96, 15,336.08 and 6,637.83

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Solution

The fourth proportional to 11,114.96, 15,336.08 and 6,637.83 is: 9,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.96 : 15,336.08 = 6,637.83 : x
  2. Step 2: Convert to fraction form
    11,114.96/15,336.08 = 6,637.83/x
  3. Step 3: Cross multiply
    11,114.96x = 15,336.08 × 6,637.83
  4. Step 4: Simplify right side
    11,114.96x = 101,798,258.72
  5. Step 5: Solve for x
    x = 101,798,258.72/11,114.96
  6. Step 6: Final answer
    x = 9,158.67

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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.