Home / 11,001.95-16,505.36-5,458.31

Finding the Fourth Proportional to 11,001.95, 16,505.36 and 5,458.31

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Solution

The fourth proportional to 11,001.95, 16,505.36 and 5,458.31 is: 8,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.95 : 16,505.36 = 5,458.31 : x
  2. Step 2: Convert to fraction form
    11,001.95/16,505.36 = 5,458.31/x
  3. Step 3: Cross multiply
    11,001.95x = 16,505.36 × 5,458.31
  4. Step 4: Simplify right side
    11,001.95x = 90,091,344.25
  5. Step 5: Solve for x
    x = 90,091,344.25/11,001.95
  6. Step 6: Final answer
    x = 8,188.67

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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.