Home / 6,113.62-8,436.69-3,319.06

Finding the Fourth Proportional to 6,113.62, 8,436.69 and 3,319.06

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Solution

The fourth proportional to 6,113.62, 8,436.69 and 3,319.06 is: 4,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.62 : 8,436.69 = 3,319.06 : x
  2. Step 2: Convert to fraction form
    6,113.62/8,436.69 = 3,319.06/x
  3. Step 3: Cross multiply
    6,113.62x = 8,436.69 × 3,319.06
  4. Step 4: Simplify right side
    6,113.62x = 28,001,880.31
  5. Step 5: Solve for x
    x = 28,001,880.31/6,113.62
  6. Step 6: Final answer
    x = 4,580.25

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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.