Home / 9,365.32-12,924.18-5,173.60

Finding the Fourth Proportional to 9,365.32, 12,924.18 and 5,173.60

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Solution

The fourth proportional to 9,365.32, 12,924.18 and 5,173.60 is: 7,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.32 : 12,924.18 = 5,173.60 : x
  2. Step 2: Convert to fraction form
    9,365.32/12,924.18 = 5,173.60/x
  3. Step 3: Cross multiply
    9,365.32x = 12,924.18 × 5,173.60
  4. Step 4: Simplify right side
    9,365.32x = 66,864,537.65
  5. Step 5: Solve for x
    x = 66,864,537.65/9,365.32
  6. Step 6: Final answer
    x = 7,139.59

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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.