Home / 11,087.04-15,293.40-6,607.80

Finding the Fourth Proportional to 11,087.04, 15,293.40 and 6,607.80

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Solution

The fourth proportional to 11,087.04, 15,293.40 and 6,607.80 is: 9,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.04 : 15,293.40 = 6,607.80 : x
  2. Step 2: Convert to fraction form
    11,087.04/15,293.40 = 6,607.80/x
  3. Step 3: Cross multiply
    11,087.04x = 15,293.40 × 6,607.80
  4. Step 4: Simplify right side
    11,087.04x = 101,055,728.52
  5. Step 5: Solve for x
    x = 101,055,728.52/11,087.04
  6. Step 6: Final answer
    x = 9,114.76

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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.