Home / 7,746.70-11,621.31-4,828.18

Finding the Fourth Proportional to 7,746.70, 11,621.31 and 4,828.18

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Solution

The fourth proportional to 7,746.70, 11,621.31 and 4,828.18 is: 7,243.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.70 : 11,621.31 = 4,828.18 : x
  2. Step 2: Convert to fraction form
    7,746.70/11,621.31 = 4,828.18/x
  3. Step 3: Cross multiply
    7,746.70x = 11,621.31 × 4,828.18
  4. Step 4: Simplify right side
    7,746.70x = 56,109,776.52
  5. Step 5: Solve for x
    x = 56,109,776.52/7,746.70
  6. Step 6: Final answer
    x = 7,243.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.