Home / 12,130.92-16,740.44-6,753.32

Finding the Fourth Proportional to 12,130.92, 16,740.44 and 6,753.32

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Solution

The fourth proportional to 12,130.92, 16,740.44 and 6,753.32 is: 9,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.92 : 16,740.44 = 6,753.32 : x
  2. Step 2: Convert to fraction form
    12,130.92/16,740.44 = 6,753.32/x
  3. Step 3: Cross multiply
    12,130.92x = 16,740.44 × 6,753.32
  4. Step 4: Simplify right side
    12,130.92x = 113,053,548.26
  5. Step 5: Solve for x
    x = 113,053,548.26/12,130.92
  6. Step 6: Final answer
    x = 9,319.45

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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.