Home / 11,378.88-15,699.35-6,597.86

Finding the Fourth Proportional to 11,378.88, 15,699.35 and 6,597.86

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Solution

The fourth proportional to 11,378.88, 15,699.35 and 6,597.86 is: 9,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.88 : 15,699.35 = 6,597.86 : x
  2. Step 2: Convert to fraction form
    11,378.88/15,699.35 = 6,597.86/x
  3. Step 3: Cross multiply
    11,378.88x = 15,699.35 × 6,597.86
  4. Step 4: Simplify right side
    11,378.88x = 103,582,051.39
  5. Step 5: Solve for x
    x = 103,582,051.39/11,378.88
  6. Step 6: Final answer
    x = 9,103.01

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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.