Home / 10,945.17-16,418.09-4,281.41

Finding the Fourth Proportional to 10,945.17, 16,418.09 and 4,281.41

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Solution

The fourth proportional to 10,945.17, 16,418.09 and 4,281.41 is: 6,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.17 : 16,418.09 = 4,281.41 : x
  2. Step 2: Convert to fraction form
    10,945.17/16,418.09 = 4,281.41/x
  3. Step 3: Cross multiply
    10,945.17x = 16,418.09 × 4,281.41
  4. Step 4: Simplify right side
    10,945.17x = 70,292,574.71
  5. Step 5: Solve for x
    x = 70,292,574.71/10,945.17
  6. Step 6: Final answer
    x = 6,422.25

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1.5x scale

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.