Home / 12,700.58-19,052.13-4,379.50

Finding the Fourth Proportional to 12,700.58, 19,052.13 and 4,379.50

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Solution

The fourth proportional to 12,700.58, 19,052.13 and 4,379.50 is: 6,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.58 : 19,052.13 = 4,379.50 : x
  2. Step 2: Convert to fraction form
    12,700.58/19,052.13 = 4,379.50/x
  3. Step 3: Cross multiply
    12,700.58x = 19,052.13 × 4,379.50
  4. Step 4: Simplify right side
    12,700.58x = 83,438,803.34
  5. Step 5: Solve for x
    x = 83,438,803.34/12,700.58
  6. Step 6: Final answer
    x = 6,569.68

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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.