Home / 11,271.31-15,549.53-6,792.53

Finding the Fourth Proportional to 11,271.31, 15,549.53 and 6,792.53

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Solution

The fourth proportional to 11,271.31, 15,549.53 and 6,792.53 is: 9,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.31 : 15,549.53 = 6,792.53 : x
  2. Step 2: Convert to fraction form
    11,271.31/15,549.53 = 6,792.53/x
  3. Step 3: Cross multiply
    11,271.31x = 15,549.53 × 6,792.53
  4. Step 4: Simplify right side
    11,271.31x = 105,620,537.30
  5. Step 5: Solve for x
    x = 105,620,537.30/11,271.31
  6. Step 6: Final answer
    x = 9,370.74

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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.