Home / 11,262.03-15,539.16-6,543.78

Finding the Fourth Proportional to 11,262.03, 15,539.16 and 6,543.78

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Solution

The fourth proportional to 11,262.03, 15,539.16 and 6,543.78 is: 9,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.03 : 15,539.16 = 6,543.78 : x
  2. Step 2: Convert to fraction form
    11,262.03/15,539.16 = 6,543.78/x
  3. Step 3: Cross multiply
    11,262.03x = 15,539.16 × 6,543.78
  4. Step 4: Simplify right side
    11,262.03x = 101,684,844.42
  5. Step 5: Solve for x
    x = 101,684,844.42/11,262.03
  6. Step 6: Final answer
    x = 9,029.00

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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.