Home / 7,345.48-11,019.66-6,611.08

Finding the Fourth Proportional to 7,345.48, 11,019.66 and 6,611.08

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Solution

The fourth proportional to 7,345.48, 11,019.66 and 6,611.08 is: 9,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.48 : 11,019.66 = 6,611.08 : x
  2. Step 2: Convert to fraction form
    7,345.48/11,019.66 = 6,611.08/x
  3. Step 3: Cross multiply
    7,345.48x = 11,019.66 × 6,611.08
  4. Step 4: Simplify right side
    7,345.48x = 72,851,853.83
  5. Step 5: Solve for x
    x = 72,851,853.83/7,345.48
  6. Step 6: Final answer
    x = 9,917.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.