Home / 10,938.32-15,093.36-6,222.08

Finding the Fourth Proportional to 10,938.32, 15,093.36 and 6,222.08

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Solution

The fourth proportional to 10,938.32, 15,093.36 and 6,222.08 is: 8,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.32 : 15,093.36 = 6,222.08 : x
  2. Step 2: Convert to fraction form
    10,938.32/15,093.36 = 6,222.08/x
  3. Step 3: Cross multiply
    10,938.32x = 15,093.36 × 6,222.08
  4. Step 4: Simplify right side
    10,938.32x = 93,912,093.39
  5. Step 5: Solve for x
    x = 93,912,093.39/10,938.32
  6. Step 6: Final answer
    x = 8,585.60

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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.