Home / 8,950.07-12,347.54-5,172.54

Finding the Fourth Proportional to 8,950.07, 12,347.54 and 5,172.54

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Solution

The fourth proportional to 8,950.07, 12,347.54 and 5,172.54 is: 7,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.07 : 12,347.54 = 5,172.54 : x
  2. Step 2: Convert to fraction form
    8,950.07/12,347.54 = 5,172.54/x
  3. Step 3: Cross multiply
    8,950.07x = 12,347.54 × 5,172.54
  4. Step 4: Simplify right side
    8,950.07x = 63,868,118.69
  5. Step 5: Solve for x
    x = 63,868,118.69/8,950.07
  6. Step 6: Final answer
    x = 7,136.05

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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.