Home / 8,506.90-11,740.32-5,150.53

Finding the Fourth Proportional to 8,506.90, 11,740.32 and 5,150.53

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Solution

The fourth proportional to 8,506.90, 11,740.32 and 5,150.53 is: 7,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.90 : 11,740.32 = 5,150.53 : x
  2. Step 2: Convert to fraction form
    8,506.90/11,740.32 = 5,150.53/x
  3. Step 3: Cross multiply
    8,506.90x = 11,740.32 × 5,150.53
  4. Step 4: Simplify right side
    8,506.90x = 60,468,870.37
  5. Step 5: Solve for x
    x = 60,468,870.37/8,506.90
  6. Step 6: Final answer
    x = 7,108.21

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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.