Home / 10,236.51-15,349.54-4,685.09

Finding the Fourth Proportional to 10,236.51, 15,349.54 and 4,685.09

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Solution

The fourth proportional to 10,236.51, 15,349.54 and 4,685.09 is: 7,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.51 : 15,349.54 = 4,685.09 : x
  2. Step 2: Convert to fraction form
    10,236.51/15,349.54 = 4,685.09/x
  3. Step 3: Cross multiply
    10,236.51x = 15,349.54 × 4,685.09
  4. Step 4: Simplify right side
    10,236.51x = 71,913,991.31
  5. Step 5: Solve for x
    x = 71,913,991.31/10,236.51
  6. Step 6: Final answer
    x = 7,025.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.