Home / 10,938.96-15,097.68-6,222.30

Finding the Fourth Proportional to 10,938.96, 15,097.68 and 6,222.30

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Solution

The fourth proportional to 10,938.96, 15,097.68 and 6,222.30 is: 8,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.96 : 15,097.68 = 6,222.30 : x
  2. Step 2: Convert to fraction form
    10,938.96/15,097.68 = 6,222.30/x
  3. Step 3: Cross multiply
    10,938.96x = 15,097.68 × 6,222.30
  4. Step 4: Simplify right side
    10,938.96x = 93,942,294.26
  5. Step 5: Solve for x
    x = 93,942,294.26/10,938.96
  6. Step 6: Final answer
    x = 8,587.86

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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.