Home / 11,260.02-15,548.79-7,018.32

Finding the Fourth Proportional to 11,260.02, 15,548.79 and 7,018.32

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Solution

The fourth proportional to 11,260.02, 15,548.79 and 7,018.32 is: 9,691.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.02 : 15,548.79 = 7,018.32 : x
  2. Step 2: Convert to fraction form
    11,260.02/15,548.79 = 7,018.32/x
  3. Step 3: Cross multiply
    11,260.02x = 15,548.79 × 7,018.32
  4. Step 4: Simplify right side
    11,260.02x = 109,126,383.83
  5. Step 5: Solve for x
    x = 109,126,383.83/11,260.02
  6. Step 6: Final answer
    x = 9,691.49

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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.