Home / 8,703.43-12,015.47-6,670.33

Finding the Fourth Proportional to 8,703.43, 12,015.47 and 6,670.33

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Solution

The fourth proportional to 8,703.43, 12,015.47 and 6,670.33 is: 9,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.43 : 12,015.47 = 6,670.33 : x
  2. Step 2: Convert to fraction form
    8,703.43/12,015.47 = 6,670.33/x
  3. Step 3: Cross multiply
    8,703.43x = 12,015.47 × 6,670.33
  4. Step 4: Simplify right side
    8,703.43x = 80,147,150.01
  5. Step 5: Solve for x
    x = 80,147,150.01/8,703.43
  6. Step 6: Final answer
    x = 9,208.69

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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.