Home / 10,145.22-14,009.31-6,374.92

Finding the Fourth Proportional to 10,145.22, 14,009.31 and 6,374.92

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Solution

The fourth proportional to 10,145.22, 14,009.31 and 6,374.92 is: 8,802.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.22 : 14,009.31 = 6,374.92 : x
  2. Step 2: Convert to fraction form
    10,145.22/14,009.31 = 6,374.92/x
  3. Step 3: Cross multiply
    10,145.22x = 14,009.31 × 6,374.92
  4. Step 4: Simplify right side
    10,145.22x = 89,308,195.48
  5. Step 5: Solve for x
    x = 89,308,195.48/10,145.22
  6. Step 6: Final answer
    x = 8,802.98

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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.