Home / 10,148.39-14,001.99-5,671.65

Finding the Fourth Proportional to 10,148.39, 14,001.99 and 5,671.65

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Solution

The fourth proportional to 10,148.39, 14,001.99 and 5,671.65 is: 7,825.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.39 : 14,001.99 = 5,671.65 : x
  2. Step 2: Convert to fraction form
    10,148.39/14,001.99 = 5,671.65/x
  3. Step 3: Cross multiply
    10,148.39x = 14,001.99 × 5,671.65
  4. Step 4: Simplify right side
    10,148.39x = 79,414,386.58
  5. Step 5: Solve for x
    x = 79,414,386.58/10,148.39
  6. Step 6: Final answer
    x = 7,825.32

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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.