Home / 9,133.20-12,602.76-5,154.12

Finding the Fourth Proportional to 9,133.20, 12,602.76 and 5,154.12

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Solution

The fourth proportional to 9,133.20, 12,602.76 and 5,154.12 is: 7,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.20 : 12,602.76 = 5,154.12 : x
  2. Step 2: Convert to fraction form
    9,133.20/12,602.76 = 5,154.12/x
  3. Step 3: Cross multiply
    9,133.20x = 12,602.76 × 5,154.12
  4. Step 4: Simplify right side
    9,133.20x = 64,956,137.37
  5. Step 5: Solve for x
    x = 64,956,137.37/9,133.20
  6. Step 6: Final answer
    x = 7,112.09

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Similar ratio
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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.