Home / 6,636.10-9,157.40-3,803.48

Finding the Fourth Proportional to 6,636.10, 9,157.40 and 3,803.48

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Solution

The fourth proportional to 6,636.10, 9,157.40 and 3,803.48 is: 5,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.10 : 9,157.40 = 3,803.48 : x
  2. Step 2: Convert to fraction form
    6,636.10/9,157.40 = 3,803.48/x
  3. Step 3: Cross multiply
    6,636.10x = 9,157.40 × 3,803.48
  4. Step 4: Simplify right side
    6,636.10x = 34,829,987.75
  5. Step 5: Solve for x
    x = 34,829,987.75/6,636.10
  6. Step 6: Final answer
    x = 5,248.56

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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.