Home / 8,973.18-13,455.81-4,811.94

Finding the Fourth Proportional to 8,973.18, 13,455.81 and 4,811.94

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Solution

The fourth proportional to 8,973.18, 13,455.81 and 4,811.94 is: 7,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.18 : 13,455.81 = 4,811.94 : x
  2. Step 2: Convert to fraction form
    8,973.18/13,455.81 = 4,811.94/x
  3. Step 3: Cross multiply
    8,973.18x = 13,455.81 × 4,811.94
  4. Step 4: Simplify right side
    8,973.18x = 64,748,550.37
  5. Step 5: Solve for x
    x = 64,748,550.37/8,973.18
  6. Step 6: Final answer
    x = 7,215.79

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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.