Home / 9,731.19-13,410.32-7,074.39

Finding the Fourth Proportional to 9,731.19, 13,410.32 and 7,074.39

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Solution

The fourth proportional to 9,731.19, 13,410.32 and 7,074.39 is: 9,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.19 : 13,410.32 = 7,074.39 : x
  2. Step 2: Convert to fraction form
    9,731.19/13,410.32 = 7,074.39/x
  3. Step 3: Cross multiply
    9,731.19x = 13,410.32 × 7,074.39
  4. Step 4: Simplify right side
    9,731.19x = 94,869,798.33
  5. Step 5: Solve for x
    x = 94,869,798.33/9,731.19
  6. Step 6: Final answer
    x = 9,749.04

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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.