Home / 9,795.71-13,518.37-5,319.75

Finding the Fourth Proportional to 9,795.71, 13,518.37 and 5,319.75

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Solution

The fourth proportional to 9,795.71, 13,518.37 and 5,319.75 is: 7,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.71 : 13,518.37 = 5,319.75 : x
  2. Step 2: Convert to fraction form
    9,795.71/13,518.37 = 5,319.75/x
  3. Step 3: Cross multiply
    9,795.71x = 13,518.37 × 5,319.75
  4. Step 4: Simplify right side
    9,795.71x = 71,914,348.81
  5. Step 5: Solve for x
    x = 71,914,348.81/9,795.71
  6. Step 6: Final answer
    x = 7,341.41

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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.