Home / 8,558.46-11,812.23-4,973.91

Finding the Fourth Proportional to 8,558.46, 11,812.23 and 4,973.91

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Solution

The fourth proportional to 8,558.46, 11,812.23 and 4,973.91 is: 6,864.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.46 : 11,812.23 = 4,973.91 : x
  2. Step 2: Convert to fraction form
    8,558.46/11,812.23 = 4,973.91/x
  3. Step 3: Cross multiply
    8,558.46x = 11,812.23 × 4,973.91
  4. Step 4: Simplify right side
    8,558.46x = 58,752,924.62
  5. Step 5: Solve for x
    x = 58,752,924.62/8,558.46
  6. Step 6: Final answer
    x = 6,864.89

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1.5x scale

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.