Home / 12,707.03-19,051.71-5,587.84

Finding the Fourth Proportional to 12,707.03, 19,051.71 and 5,587.84

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Solution

The fourth proportional to 12,707.03, 19,051.71 and 5,587.84 is: 8,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.03 : 19,051.71 = 5,587.84 : x
  2. Step 2: Convert to fraction form
    12,707.03/19,051.71 = 5,587.84/x
  3. Step 3: Cross multiply
    12,707.03x = 19,051.71 × 5,587.84
  4. Step 4: Simplify right side
    12,707.03x = 106,457,802.90
  5. Step 5: Solve for x
    x = 106,457,802.90/12,707.03
  6. Step 6: Final answer
    x = 8,377.87

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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.