Home / 10,133.20-13,984.42-5,657.14

Finding the Fourth Proportional to 10,133.20, 13,984.42 and 5,657.14

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Solution

The fourth proportional to 10,133.20, 13,984.42 and 5,657.14 is: 7,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.20 : 13,984.42 = 5,657.14 : x
  2. Step 2: Convert to fraction form
    10,133.20/13,984.42 = 5,657.14/x
  3. Step 3: Cross multiply
    10,133.20x = 13,984.42 × 5,657.14
  4. Step 4: Simplify right side
    10,133.20x = 79,111,821.76
  5. Step 5: Solve for x
    x = 79,111,821.76/10,133.20
  6. Step 6: Final answer
    x = 7,807.19

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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.