Home / 7,746.06-11,612.56-3,360.21

Finding the Fourth Proportional to 7,746.06, 11,612.56 and 3,360.21

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Solution

The fourth proportional to 7,746.06, 11,612.56 and 3,360.21 is: 5,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.06 : 11,612.56 = 3,360.21 : x
  2. Step 2: Convert to fraction form
    7,746.06/11,612.56 = 3,360.21/x
  3. Step 3: Cross multiply
    7,746.06x = 11,612.56 × 3,360.21
  4. Step 4: Simplify right side
    7,746.06x = 39,020,640.24
  5. Step 5: Solve for x
    x = 39,020,640.24/7,746.06
  6. Step 6: Final answer
    x = 5,037.48

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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.