Home / 10,938.60-16,416.54-4,015.08

Finding the Fourth Proportional to 10,938.60, 16,416.54 and 4,015.08

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Solution

The fourth proportional to 10,938.60, 16,416.54 and 4,015.08 is: 6,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.60 : 16,416.54 = 4,015.08 : x
  2. Step 2: Convert to fraction form
    10,938.60/16,416.54 = 4,015.08/x
  3. Step 3: Cross multiply
    10,938.60x = 16,416.54 × 4,015.08
  4. Step 4: Simplify right side
    10,938.60x = 65,913,721.42
  5. Step 5: Solve for x
    x = 65,913,721.42/10,938.60
  6. Step 6: Final answer
    x = 6,025.79

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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.