Home / 10,124.04-15,190.67-5,197.14

Finding the Fourth Proportional to 10,124.04, 15,190.67 and 5,197.14

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Solution

The fourth proportional to 10,124.04, 15,190.67 and 5,197.14 is: 7,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.04 : 15,190.67 = 5,197.14 : x
  2. Step 2: Convert to fraction form
    10,124.04/15,190.67 = 5,197.14/x
  3. Step 3: Cross multiply
    10,124.04x = 15,190.67 × 5,197.14
  4. Step 4: Simplify right side
    10,124.04x = 78,948,051.68
  5. Step 5: Solve for x
    x = 78,948,051.68/10,124.04
  6. Step 6: Final answer
    x = 7,798.08

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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.