Home / 10,917.40-16,362.39-4,670.07

Finding the Fourth Proportional to 10,917.40, 16,362.39 and 4,670.07

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Solution

The fourth proportional to 10,917.40, 16,362.39 and 4,670.07 is: 6,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.40 : 16,362.39 = 4,670.07 : x
  2. Step 2: Convert to fraction form
    10,917.40/16,362.39 = 4,670.07/x
  3. Step 3: Cross multiply
    10,917.40x = 16,362.39 × 4,670.07
  4. Step 4: Simplify right side
    10,917.40x = 76,413,424.86
  5. Step 5: Solve for x
    x = 76,413,424.86/10,917.40
  6. Step 6: Final answer
    x = 6,999.24

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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.