Home / 10,376.10-14,324.04-6,403.05

Finding the Fourth Proportional to 10,376.10, 14,324.04 and 6,403.05

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Solution

The fourth proportional to 10,376.10, 14,324.04 and 6,403.05 is: 8,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.10 : 14,324.04 = 6,403.05 : x
  2. Step 2: Convert to fraction form
    10,376.10/14,324.04 = 6,403.05/x
  3. Step 3: Cross multiply
    10,376.10x = 14,324.04 × 6,403.05
  4. Step 4: Simplify right side
    10,376.10x = 91,717,544.32
  5. Step 5: Solve for x
    x = 91,717,544.32/10,376.10
  6. Step 6: Final answer
    x = 8,839.31

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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.