Home / 10,364.09-14,295.18-6,387.39

Finding the Fourth Proportional to 10,364.09, 14,295.18 and 6,387.39

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Solution

The fourth proportional to 10,364.09, 14,295.18 and 6,387.39 is: 8,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.09 : 14,295.18 = 6,387.39 : x
  2. Step 2: Convert to fraction form
    10,364.09/14,295.18 = 6,387.39/x
  3. Step 3: Cross multiply
    10,364.09x = 14,295.18 × 6,387.39
  4. Step 4: Simplify right side
    10,364.09x = 91,308,913.73
  5. Step 5: Solve for x
    x = 91,308,913.73/10,364.09
  6. Step 6: Final answer
    x = 8,810.13

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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.