Home / 9,792.06-13,513.14-5,315.86

Finding the Fourth Proportional to 9,792.06, 13,513.14 and 5,315.86

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Solution

The fourth proportional to 9,792.06, 13,513.14 and 5,315.86 is: 7,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.06 : 13,513.14 = 5,315.86 : x
  2. Step 2: Convert to fraction form
    9,792.06/13,513.14 = 5,315.86/x
  3. Step 3: Cross multiply
    9,792.06x = 13,513.14 × 5,315.86
  4. Step 4: Simplify right side
    9,792.06x = 71,833,960.40
  5. Step 5: Solve for x
    x = 71,833,960.40/9,792.06
  6. Step 6: Final answer
    x = 7,335.94

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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.