Home / 11,861.02-17,881.59-11,225.98

Finding the Fourth Proportional to 11,861.02, 17,881.59 and 11,225.98

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Solution

The fourth proportional to 11,861.02, 17,881.59 and 11,225.98 is: 16,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.02 : 17,881.59 = 11,225.98 : x
  2. Step 2: Convert to fraction form
    11,861.02/17,881.59 = 11,225.98/x
  3. Step 3: Cross multiply
    11,861.02x = 17,881.59 × 11,225.98
  4. Step 4: Simplify right side
    11,861.02x = 200,738,315.58
  5. Step 5: Solve for x
    x = 200,738,315.58/11,861.02
  6. Step 6: Final answer
    x = 16,924.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.