Home / 12,303.31-18,446.06-4,800.51

Finding the Fourth Proportional to 12,303.31, 18,446.06 and 4,800.51

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Solution

The fourth proportional to 12,303.31, 18,446.06 and 4,800.51 is: 7,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.31 : 18,446.06 = 4,800.51 : x
  2. Step 2: Convert to fraction form
    12,303.31/18,446.06 = 4,800.51/x
  3. Step 3: Cross multiply
    12,303.31x = 18,446.06 × 4,800.51
  4. Step 4: Simplify right side
    12,303.31x = 88,550,495.49
  5. Step 5: Solve for x
    x = 88,550,495.49/12,303.31
  6. Step 6: Final answer
    x = 7,197.29

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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.