Home / 11,172.51-16,724.10-10,348.74

Finding the Fourth Proportional to 11,172.51, 16,724.10 and 10,348.74

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Solution

The fourth proportional to 11,172.51, 16,724.10 and 10,348.74 is: 15,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.51 : 16,724.10 = 10,348.74 : x
  2. Step 2: Convert to fraction form
    11,172.51/16,724.10 = 10,348.74/x
  3. Step 3: Cross multiply
    11,172.51x = 16,724.10 × 10,348.74
  4. Step 4: Simplify right side
    11,172.51x = 173,073,362.63
  5. Step 5: Solve for x
    x = 173,073,362.63/11,172.51
  6. Step 6: Final answer
    x = 15,491.00

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1.5x scale

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.