Home / 8,349.51-11,530.13-5,370.52

Finding the Fourth Proportional to 8,349.51, 11,530.13 and 5,370.52

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Solution

The fourth proportional to 8,349.51, 11,530.13 and 5,370.52 is: 7,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.51 : 11,530.13 = 5,370.52 : x
  2. Step 2: Convert to fraction form
    8,349.51/11,530.13 = 5,370.52/x
  3. Step 3: Cross multiply
    8,349.51x = 11,530.13 × 5,370.52
  4. Step 4: Simplify right side
    8,349.51x = 61,922,757.49
  5. Step 5: Solve for x
    x = 61,922,757.49/8,349.51
  6. Step 6: Final answer
    x = 7,416.33

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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.