Home / 9,531.09-13,157.51-6,349.68

Finding the Fourth Proportional to 9,531.09, 13,157.51 and 6,349.68

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Solution

The fourth proportional to 9,531.09, 13,157.51 and 6,349.68 is: 8,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.09 : 13,157.51 = 6,349.68 : x
  2. Step 2: Convert to fraction form
    9,531.09/13,157.51 = 6,349.68/x
  3. Step 3: Cross multiply
    9,531.09x = 13,157.51 × 6,349.68
  4. Step 4: Simplify right side
    9,531.09x = 83,545,946.35
  5. Step 5: Solve for x
    x = 83,545,946.35/9,531.09
  6. Step 6: Final answer
    x = 8,765.62

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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.