Home / 12,039.84-16,618.08-7,323.36

Finding the Fourth Proportional to 12,039.84, 16,618.08 and 7,323.36

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Solution

The fourth proportional to 12,039.84, 16,618.08 and 7,323.36 is: 10,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.84 : 16,618.08 = 7,323.36 : x
  2. Step 2: Convert to fraction form
    12,039.84/16,618.08 = 7,323.36/x
  3. Step 3: Cross multiply
    12,039.84x = 16,618.08 × 7,323.36
  4. Step 4: Simplify right side
    12,039.84x = 121,700,182.35
  5. Step 5: Solve for x
    x = 121,700,182.35/12,039.84
  6. Step 6: Final answer
    x = 10,108.12

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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.