Home / 8,349.60-11,512.50-5,365.56

Finding the Fourth Proportional to 8,349.60, 11,512.50 and 5,365.56

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Solution

The fourth proportional to 8,349.60, 11,512.50 and 5,365.56 is: 7,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.60 : 11,512.50 = 5,365.56 : x
  2. Step 2: Convert to fraction form
    8,349.60/11,512.50 = 5,365.56/x
  3. Step 3: Cross multiply
    8,349.60x = 11,512.50 × 5,365.56
  4. Step 4: Simplify right side
    8,349.60x = 61,771,009.50
  5. Step 5: Solve for x
    x = 61,771,009.50/8,349.60
  6. Step 6: Final answer
    x = 7,398.08

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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.