Home / 11,114.98-15,335.80-6,636.76

Finding the Fourth Proportional to 11,114.98, 15,335.80 and 6,636.76

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Solution

The fourth proportional to 11,114.98, 15,335.80 and 6,636.76 is: 9,157.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.98 : 15,335.80 = 6,636.76 : x
  2. Step 2: Convert to fraction form
    11,114.98/15,335.80 = 6,636.76/x
  3. Step 3: Cross multiply
    11,114.98x = 15,335.80 × 6,636.76
  4. Step 4: Simplify right side
    11,114.98x = 101,780,024.01
  5. Step 5: Solve for x
    x = 101,780,024.01/11,114.98
  6. Step 6: Final answer
    x = 9,157.01

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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.