Home / 11,137.12-15,364.95-6,357.34

Finding the Fourth Proportional to 11,137.12, 15,364.95 and 6,357.34

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Solution

The fourth proportional to 11,137.12, 15,364.95 and 6,357.34 is: 8,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.12 : 15,364.95 = 6,357.34 : x
  2. Step 2: Convert to fraction form
    11,137.12/15,364.95 = 6,357.34/x
  3. Step 3: Cross multiply
    11,137.12x = 15,364.95 × 6,357.34
  4. Step 4: Simplify right side
    11,137.12x = 97,680,211.23
  5. Step 5: Solve for x
    x = 97,680,211.23/11,137.12
  6. Step 6: Final answer
    x = 8,770.69

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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.