Home / 12,031.05-18,045.17-4,630.34

Finding the Fourth Proportional to 12,031.05, 18,045.17 and 4,630.34

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Solution

The fourth proportional to 12,031.05, 18,045.17 and 4,630.34 is: 6,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.05 : 18,045.17 = 4,630.34 : x
  2. Step 2: Convert to fraction form
    12,031.05/18,045.17 = 4,630.34/x
  3. Step 3: Cross multiply
    12,031.05x = 18,045.17 × 4,630.34
  4. Step 4: Simplify right side
    12,031.05x = 83,555,159.08
  5. Step 5: Solve for x
    x = 83,555,159.08/12,031.05
  6. Step 6: Final answer
    x = 6,944.96

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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.