Home / 8,671.02-13,009.99-5,162.68

Finding the Fourth Proportional to 8,671.02, 13,009.99 and 5,162.68

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Solution

The fourth proportional to 8,671.02, 13,009.99 and 5,162.68 is: 7,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.02 : 13,009.99 = 5,162.68 : x
  2. Step 2: Convert to fraction form
    8,671.02/13,009.99 = 5,162.68/x
  3. Step 3: Cross multiply
    8,671.02x = 13,009.99 × 5,162.68
  4. Step 4: Simplify right side
    8,671.02x = 67,166,324.31
  5. Step 5: Solve for x
    x = 67,166,324.31/8,671.02
  6. Step 6: Final answer
    x = 7,746.07

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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.