Home / 8,071.04-11,136.48-5,087.36

Finding the Fourth Proportional to 8,071.04, 11,136.48 and 5,087.36

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Solution

The fourth proportional to 8,071.04, 11,136.48 and 5,087.36 is: 7,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.04 : 11,136.48 = 5,087.36 : x
  2. Step 2: Convert to fraction form
    8,071.04/11,136.48 = 5,087.36/x
  3. Step 3: Cross multiply
    8,071.04x = 11,136.48 × 5,087.36
  4. Step 4: Simplify right side
    8,071.04x = 56,655,282.89
  5. Step 5: Solve for x
    x = 56,655,282.89/8,071.04
  6. Step 6: Final answer
    x = 7,019.58

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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.