Home / 12,078.07-16,663.74-7,296.23

Finding the Fourth Proportional to 12,078.07, 16,663.74 and 7,296.23

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Solution

The fourth proportional to 12,078.07, 16,663.74 and 7,296.23 is: 10,066.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078.07 : 16,663.74 = 7,296.23 : x
  2. Step 2: Convert to fraction form
    12,078.07/16,663.74 = 7,296.23/x
  3. Step 3: Cross multiply
    12,078.07x = 16,663.74 × 7,296.23
  4. Step 4: Simplify right side
    12,078.07x = 121,582,479.70
  5. Step 5: Solve for x
    x = 121,582,479.70/12,078.07
  6. Step 6: Final answer
    x = 10,066.38

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Double scale
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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.