Home / 8,240.70-11,370.46-4,705.06

Finding the Fourth Proportional to 8,240.70, 11,370.46 and 4,705.06

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Solution

The fourth proportional to 8,240.70, 11,370.46 and 4,705.06 is: 6,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.70 : 11,370.46 = 4,705.06 : x
  2. Step 2: Convert to fraction form
    8,240.70/11,370.46 = 4,705.06/x
  3. Step 3: Cross multiply
    8,240.70x = 11,370.46 × 4,705.06
  4. Step 4: Simplify right side
    8,240.70x = 53,498,696.53
  5. Step 5: Solve for x
    x = 53,498,696.53/8,240.70
  6. Step 6: Final answer
    x = 6,492.01

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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.