Home / 11,087.96-15,301.55-6,307.79

Finding the Fourth Proportional to 11,087.96, 15,301.55 and 6,307.79

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Solution

The fourth proportional to 11,087.96, 15,301.55 and 6,307.79 is: 8,704.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.96 : 15,301.55 = 6,307.79 : x
  2. Step 2: Convert to fraction form
    11,087.96/15,301.55 = 6,307.79/x
  3. Step 3: Cross multiply
    11,087.96x = 15,301.55 × 6,307.79
  4. Step 4: Simplify right side
    11,087.96x = 96,518,903.34
  5. Step 5: Solve for x
    x = 96,518,903.34/11,087.96
  6. Step 6: Final answer
    x = 8,704.84

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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.