Home / 11,567.42-15,962.90-6,851.78

Finding the Fourth Proportional to 11,567.42, 15,962.90 and 6,851.78

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Solution

The fourth proportional to 11,567.42, 15,962.90 and 6,851.78 is: 9,455.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.42 : 15,962.90 = 6,851.78 : x
  2. Step 2: Convert to fraction form
    11,567.42/15,962.90 = 6,851.78/x
  3. Step 3: Cross multiply
    11,567.42x = 15,962.90 × 6,851.78
  4. Step 4: Simplify right side
    11,567.42x = 109,374,278.96
  5. Step 5: Solve for x
    x = 109,374,278.96/11,567.42
  6. Step 6: Final answer
    x = 9,455.37

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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.