Home / 10,740.47-16,114.81-4,171.27

Finding the Fourth Proportional to 10,740.47, 16,114.81 and 4,171.27

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Solution

The fourth proportional to 10,740.47, 16,114.81 and 4,171.27 is: 6,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.47 : 16,114.81 = 4,171.27 : x
  2. Step 2: Convert to fraction form
    10,740.47/16,114.81 = 4,171.27/x
  3. Step 3: Cross multiply
    10,740.47x = 16,114.81 × 4,171.27
  4. Step 4: Simplify right side
    10,740.47x = 67,219,223.51
  5. Step 5: Solve for x
    x = 67,219,223.51/10,740.47
  6. Step 6: Final answer
    x = 6,258.50

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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.