Home / 8,600.49-11,870.58-5,243.45

Finding the Fourth Proportional to 8,600.49, 11,870.58 and 5,243.45

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Solution

The fourth proportional to 8,600.49, 11,870.58 and 5,243.45 is: 7,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.49 : 11,870.58 = 5,243.45 : x
  2. Step 2: Convert to fraction form
    8,600.49/11,870.58 = 5,243.45/x
  3. Step 3: Cross multiply
    8,600.49x = 11,870.58 × 5,243.45
  4. Step 4: Simplify right side
    8,600.49x = 62,242,733.35
  5. Step 5: Solve for x
    x = 62,242,733.35/8,600.49
  6. Step 6: Final answer
    x = 7,237.11

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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.