Home / 9,515.36-14,262.10-6,391.59

Finding the Fourth Proportional to 9,515.36, 14,262.10 and 6,391.59

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Solution

The fourth proportional to 9,515.36, 14,262.10 and 6,391.59 is: 9,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.36 : 14,262.10 = 6,391.59 : x
  2. Step 2: Convert to fraction form
    9,515.36/14,262.10 = 6,391.59/x
  3. Step 3: Cross multiply
    9,515.36x = 14,262.10 × 6,391.59
  4. Step 4: Simplify right side
    9,515.36x = 91,157,479.76
  5. Step 5: Solve for x
    x = 91,157,479.76/9,515.36
  6. Step 6: Final answer
    x = 9,580.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.