Home / 12,537.16-18,803.30-4,746.58

Finding the Fourth Proportional to 12,537.16, 18,803.30 and 4,746.58

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Solution

The fourth proportional to 12,537.16, 18,803.30 and 4,746.58 is: 7,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.16 : 18,803.30 = 4,746.58 : x
  2. Step 2: Convert to fraction form
    12,537.16/18,803.30 = 4,746.58/x
  3. Step 3: Cross multiply
    12,537.16x = 18,803.30 × 4,746.58
  4. Step 4: Simplify right side
    12,537.16x = 89,251,249.96
  5. Step 5: Solve for x
    x = 89,251,249.96/12,537.16
  6. Step 6: Final answer
    x = 7,118.94

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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.