Home / 8,118.60-11,206.69-4,762.46

Finding the Fourth Proportional to 8,118.60, 11,206.69 and 4,762.46

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Solution

The fourth proportional to 8,118.60, 11,206.69 and 4,762.46 is: 6,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.60 : 11,206.69 = 4,762.46 : x
  2. Step 2: Convert to fraction form
    8,118.60/11,206.69 = 4,762.46/x
  3. Step 3: Cross multiply
    8,118.60x = 11,206.69 × 4,762.46
  4. Step 4: Simplify right side
    8,118.60x = 53,371,428.97
  5. Step 5: Solve for x
    x = 53,371,428.97/8,118.60
  6. Step 6: Final answer
    x = 6,573.97

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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.