Home / 8,898.21-12,274.20-5,710.37

Finding the Fourth Proportional to 8,898.21, 12,274.20 and 5,710.37

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Solution

The fourth proportional to 8,898.21, 12,274.20 and 5,710.37 is: 7,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.21 : 12,274.20 = 5,710.37 : x
  2. Step 2: Convert to fraction form
    8,898.21/12,274.20 = 5,710.37/x
  3. Step 3: Cross multiply
    8,898.21x = 12,274.20 × 5,710.37
  4. Step 4: Simplify right side
    8,898.21x = 70,090,162.08
  5. Step 5: Solve for x
    x = 70,090,162.08/8,898.21
  6. Step 6: Final answer
    x = 7,876.88

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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.