Home / 12,376.10-18,565.01-4,980.58

Finding the Fourth Proportional to 12,376.10, 18,565.01 and 4,980.58

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Solution

The fourth proportional to 12,376.10, 18,565.01 and 4,980.58 is: 7,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.10 : 18,565.01 = 4,980.58 : x
  2. Step 2: Convert to fraction form
    12,376.10/18,565.01 = 4,980.58/x
  3. Step 3: Cross multiply
    12,376.10x = 18,565.01 × 4,980.58
  4. Step 4: Simplify right side
    12,376.10x = 92,464,517.51
  5. Step 5: Solve for x
    x = 92,464,517.51/12,376.10
  6. Step 6: Final answer
    x = 7,471.22

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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.