Home / 10,378.86-15,562.31-7,095.93

Finding the Fourth Proportional to 10,378.86, 15,562.31 and 7,095.93

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Solution

The fourth proportional to 10,378.86, 15,562.31 and 7,095.93 is: 10,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.86 : 15,562.31 = 7,095.93 : x
  2. Step 2: Convert to fraction form
    10,378.86/15,562.31 = 7,095.93/x
  3. Step 3: Cross multiply
    10,378.86x = 15,562.31 × 7,095.93
  4. Step 4: Simplify right side
    10,378.86x = 110,429,026.92
  5. Step 5: Solve for x
    x = 110,429,026.92/10,378.86
  6. Step 6: Final answer
    x = 10,639.80

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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.