Home / 10,222.31-14,108.09-6,242.58

Finding the Fourth Proportional to 10,222.31, 14,108.09 and 6,242.58

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Solution

The fourth proportional to 10,222.31, 14,108.09 and 6,242.58 is: 8,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.31 : 14,108.09 = 6,242.58 : x
  2. Step 2: Convert to fraction form
    10,222.31/14,108.09 = 6,242.58/x
  3. Step 3: Cross multiply
    10,222.31x = 14,108.09 × 6,242.58
  4. Step 4: Simplify right side
    10,222.31x = 88,070,880.47
  5. Step 5: Solve for x
    x = 88,070,880.47/10,222.31
  6. Step 6: Final answer
    x = 8,615.56

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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.