Home / 12,240.03-16,896.42-8,266.53

Finding the Fourth Proportional to 12,240.03, 16,896.42 and 8,266.53

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Solution

The fourth proportional to 12,240.03, 16,896.42 and 8,266.53 is: 11,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.03 : 16,896.42 = 8,266.53 : x
  2. Step 2: Convert to fraction form
    12,240.03/16,896.42 = 8,266.53/x
  3. Step 3: Cross multiply
    12,240.03x = 16,896.42 × 8,266.53
  4. Step 4: Simplify right side
    12,240.03x = 139,674,762.82
  5. Step 5: Solve for x
    x = 139,674,762.82/12,240.03
  6. Step 6: Final answer
    x = 11,411.31

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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.