Home / 8,730.99-12,062.86-6,090.19

Finding the Fourth Proportional to 8,730.99, 12,062.86 and 6,090.19

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Solution

The fourth proportional to 8,730.99, 12,062.86 and 6,090.19 is: 8,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.99 : 12,062.86 = 6,090.19 : x
  2. Step 2: Convert to fraction form
    8,730.99/12,062.86 = 6,090.19/x
  3. Step 3: Cross multiply
    8,730.99x = 12,062.86 × 6,090.19
  4. Step 4: Simplify right side
    8,730.99x = 73,465,063.96
  5. Step 5: Solve for x
    x = 73,465,063.96/8,730.99
  6. Step 6: Final answer
    x = 8,414.29

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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.