Home / 7,426.68-11,136.52-4,307.56

Finding the Fourth Proportional to 7,426.68, 11,136.52 and 4,307.56

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Solution

The fourth proportional to 7,426.68, 11,136.52 and 4,307.56 is: 6,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.68 : 11,136.52 = 4,307.56 : x
  2. Step 2: Convert to fraction form
    7,426.68/11,136.52 = 4,307.56/x
  3. Step 3: Cross multiply
    7,426.68x = 11,136.52 × 4,307.56
  4. Step 4: Simplify right side
    7,426.68x = 47,971,228.09
  5. Step 5: Solve for x
    x = 47,971,228.09/7,426.68
  6. Step 6: Final answer
    x = 6,459.31

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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.