Home / 12,192.23-16,818.96-7,153.07

Finding the Fourth Proportional to 12,192.23, 16,818.96 and 7,153.07

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Solution

The fourth proportional to 12,192.23, 16,818.96 and 7,153.07 is: 9,867.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.23 : 16,818.96 = 7,153.07 : x
  2. Step 2: Convert to fraction form
    12,192.23/16,818.96 = 7,153.07/x
  3. Step 3: Cross multiply
    12,192.23x = 16,818.96 × 7,153.07
  4. Step 4: Simplify right side
    12,192.23x = 120,307,114.11
  5. Step 5: Solve for x
    x = 120,307,114.11/12,192.23
  6. Step 6: Final answer
    x = 9,867.52

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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.