Home / 12,300.77-18,451.17-5,276.25

Finding the Fourth Proportional to 12,300.77, 18,451.17 and 5,276.25

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Solution

The fourth proportional to 12,300.77, 18,451.17 and 5,276.25 is: 7,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.77 : 18,451.17 = 5,276.25 : x
  2. Step 2: Convert to fraction form
    12,300.77/18,451.17 = 5,276.25/x
  3. Step 3: Cross multiply
    12,300.77x = 18,451.17 × 5,276.25
  4. Step 4: Simplify right side
    12,300.77x = 97,352,985.71
  5. Step 5: Solve for x
    x = 97,352,985.71/12,300.77
  6. Step 6: Final answer
    x = 7,914.38

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Similar ratio
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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.