Home / 10,442.35-14,406.49-6,665.69

Finding the Fourth Proportional to 10,442.35, 14,406.49 and 6,665.69

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Solution

The fourth proportional to 10,442.35, 14,406.49 and 6,665.69 is: 9,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.35 : 14,406.49 = 6,665.69 : x
  2. Step 2: Convert to fraction form
    10,442.35/14,406.49 = 6,665.69/x
  3. Step 3: Cross multiply
    10,442.35x = 14,406.49 × 6,665.69
  4. Step 4: Simplify right side
    10,442.35x = 96,029,240.68
  5. Step 5: Solve for x
    x = 96,029,240.68/10,442.35
  6. Step 6: Final answer
    x = 9,196.13

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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.