Home / 9,792.45-13,513.59-5,316.20

Finding the Fourth Proportional to 9,792.45, 13,513.59 and 5,316.20

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Solution

The fourth proportional to 9,792.45, 13,513.59 and 5,316.20 is: 7,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.45 : 13,513.59 = 5,316.20 : x
  2. Step 2: Convert to fraction form
    9,792.45/13,513.59 = 5,316.20/x
  3. Step 3: Cross multiply
    9,792.45x = 13,513.59 × 5,316.20
  4. Step 4: Simplify right side
    9,792.45x = 71,840,947.16
  5. Step 5: Solve for x
    x = 71,840,947.16/9,792.45
  6. Step 6: Final answer
    x = 7,336.36

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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.