Home / 11,581.58-15,973.84-7,275.93

Finding the Fourth Proportional to 11,581.58, 15,973.84 and 7,275.93

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Solution

The fourth proportional to 11,581.58, 15,973.84 and 7,275.93 is: 10,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.58 : 15,973.84 = 7,275.93 : x
  2. Step 2: Convert to fraction form
    11,581.58/15,973.84 = 7,275.93/x
  3. Step 3: Cross multiply
    11,581.58x = 15,973.84 × 7,275.93
  4. Step 4: Simplify right side
    11,581.58x = 116,224,490.86
  5. Step 5: Solve for x
    x = 116,224,490.86/11,581.58
  6. Step 6: Final answer
    x = 10,035.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.