Home / 8,677.16-11,974.37-4,900.47

Finding the Fourth Proportional to 8,677.16, 11,974.37 and 4,900.47

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Solution

The fourth proportional to 8,677.16, 11,974.37 and 4,900.47 is: 6,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.16 : 11,974.37 = 4,900.47 : x
  2. Step 2: Convert to fraction form
    8,677.16/11,974.37 = 4,900.47/x
  3. Step 3: Cross multiply
    8,677.16x = 11,974.37 × 4,900.47
  4. Step 4: Simplify right side
    8,677.16x = 58,679,971.55
  5. Step 5: Solve for x
    x = 58,679,971.55/8,677.16
  6. Step 6: Final answer
    x = 6,762.58

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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.