Home / 30,862.89-46,301.09-9,515.75

Finding the Fourth Proportional to 30,862.89, 46,301.09 and 9,515.75

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Solution

The fourth proportional to 30,862.89, 46,301.09 and 9,515.75 is: 14,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,862.89 : 46,301.09 = 9,515.75 : x
  2. Step 2: Convert to fraction form
    30,862.89/46,301.09 = 9,515.75/x
  3. Step 3: Cross multiply
    30,862.89x = 46,301.09 × 9,515.75
  4. Step 4: Simplify right side
    30,862.89x = 440,589,318.08
  5. Step 5: Solve for x
    x = 440,589,318.08/30,862.89
  6. Step 6: Final answer
    x = 14,275.70

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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.