Home / 7,973.12-11,007.96-5,873.60

Finding the Fourth Proportional to 7,973.12, 11,007.96 and 5,873.60

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Solution

The fourth proportional to 7,973.12, 11,007.96 and 5,873.60 is: 8,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.12 : 11,007.96 = 5,873.60 : x
  2. Step 2: Convert to fraction form
    7,973.12/11,007.96 = 5,873.60/x
  3. Step 3: Cross multiply
    7,973.12x = 11,007.96 × 5,873.60
  4. Step 4: Simplify right side
    7,973.12x = 64,656,353.86
  5. Step 5: Solve for x
    x = 64,656,353.86/7,973.12
  6. Step 6: Final answer
    x = 8,109.29

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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.