Home / 11,392.60-17,078.76-6,130.45

Finding the Fourth Proportional to 11,392.60, 17,078.76 and 6,130.45

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Solution

The fourth proportional to 11,392.60, 17,078.76 and 6,130.45 is: 9,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.60 : 17,078.76 = 6,130.45 : x
  2. Step 2: Convert to fraction form
    11,392.60/17,078.76 = 6,130.45/x
  3. Step 3: Cross multiply
    11,392.60x = 17,078.76 × 6,130.45
  4. Step 4: Simplify right side
    11,392.60x = 104,700,484.24
  5. Step 5: Solve for x
    x = 104,700,484.24/11,392.60
  6. Step 6: Final answer
    x = 9,190.22

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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.