Home / 7,931.04-11,898.45-2,736.96

Finding the Fourth Proportional to 7,931.04, 11,898.45 and 2,736.96

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Solution

The fourth proportional to 7,931.04, 11,898.45 and 2,736.96 is: 4,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.04 : 11,898.45 = 2,736.96 : x
  2. Step 2: Convert to fraction form
    7,931.04/11,898.45 = 2,736.96/x
  3. Step 3: Cross multiply
    7,931.04x = 11,898.45 × 2,736.96
  4. Step 4: Simplify right side
    7,931.04x = 32,565,581.71
  5. Step 5: Solve for x
    x = 32,565,581.71/7,931.04
  6. Step 6: Final answer
    x = 4,106.09

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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.