Home / 9,795.91-13,518.49-5,319.74

Finding the Fourth Proportional to 9,795.91, 13,518.49 and 5,319.74

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Solution

The fourth proportional to 9,795.91, 13,518.49 and 5,319.74 is: 7,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.91 : 13,518.49 = 5,319.74 : x
  2. Step 2: Convert to fraction form
    9,795.91/13,518.49 = 5,319.74/x
  3. Step 3: Cross multiply
    9,795.91x = 13,518.49 × 5,319.74
  4. Step 4: Simplify right side
    9,795.91x = 71,914,851.99
  5. Step 5: Solve for x
    x = 71,914,851.99/9,795.91
  6. Step 6: Final answer
    x = 7,341.31

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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.