Home / 10,148.68-14,009.49-6,171.07

Finding the Fourth Proportional to 10,148.68, 14,009.49 and 6,171.07

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Solution

The fourth proportional to 10,148.68, 14,009.49 and 6,171.07 is: 8,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.68 : 14,009.49 = 6,171.07 : x
  2. Step 2: Convert to fraction form
    10,148.68/14,009.49 = 6,171.07/x
  3. Step 3: Cross multiply
    10,148.68x = 14,009.49 × 6,171.07
  4. Step 4: Simplify right side
    10,148.68x = 86,453,473.41
  5. Step 5: Solve for x
    x = 86,453,473.41/10,148.68
  6. Step 6: Final answer
    x = 8,518.70

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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.