Home / 10,133.91-13,979.96-6,355.19

Finding the Fourth Proportional to 10,133.91, 13,979.96 and 6,355.19

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Solution

The fourth proportional to 10,133.91, 13,979.96 and 6,355.19 is: 8,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.91 : 13,979.96 = 6,355.19 : x
  2. Step 2: Convert to fraction form
    10,133.91/13,979.96 = 6,355.19/x
  3. Step 3: Cross multiply
    10,133.91x = 13,979.96 × 6,355.19
  4. Step 4: Simplify right side
    10,133.91x = 88,845,200.32
  5. Step 5: Solve for x
    x = 88,845,200.32/10,133.91
  6. Step 6: Final answer
    x = 8,767.12

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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.