Home / 11,320.11-16,973.69-4,386.51

Finding the Fourth Proportional to 11,320.11, 16,973.69 and 4,386.51

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Solution

The fourth proportional to 11,320.11, 16,973.69 and 4,386.51 is: 6,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.11 : 16,973.69 = 4,386.51 : x
  2. Step 2: Convert to fraction form
    11,320.11/16,973.69 = 4,386.51/x
  3. Step 3: Cross multiply
    11,320.11x = 16,973.69 × 4,386.51
  4. Step 4: Simplify right side
    11,320.11x = 74,455,238.99
  5. Step 5: Solve for x
    x = 74,455,238.99/11,320.11
  6. Step 6: Final answer
    x = 6,577.25

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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.