Home / 11,415.66-15,753.72-6,700.02

Finding the Fourth Proportional to 11,415.66, 15,753.72 and 6,700.02

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Solution

The fourth proportional to 11,415.66, 15,753.72 and 6,700.02 is: 9,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.66 : 15,753.72 = 6,700.02 : x
  2. Step 2: Convert to fraction form
    11,415.66/15,753.72 = 6,700.02/x
  3. Step 3: Cross multiply
    11,415.66x = 15,753.72 × 6,700.02
  4. Step 4: Simplify right side
    11,415.66x = 105,550,239.07
  5. Step 5: Solve for x
    x = 105,550,239.07/11,415.66
  6. Step 6: Final answer
    x = 9,246.09

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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.