Home / 9,792.12-13,513.08-5,315.83

Finding the Fourth Proportional to 9,792.12, 13,513.08 and 5,315.83

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Solution

The fourth proportional to 9,792.12, 13,513.08 and 5,315.83 is: 7,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.12 : 13,513.08 = 5,315.83 : x
  2. Step 2: Convert to fraction form
    9,792.12/13,513.08 = 5,315.83/x
  3. Step 3: Cross multiply
    9,792.12x = 13,513.08 × 5,315.83
  4. Step 4: Simplify right side
    9,792.12x = 71,833,236.06
  5. Step 5: Solve for x
    x = 71,833,236.06/9,792.12
  6. Step 6: Final answer
    x = 7,335.82

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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.