Home / 8,941.78-13,407.47-5,983.60

Finding the Fourth Proportional to 8,941.78, 13,407.47 and 5,983.60

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Solution

The fourth proportional to 8,941.78, 13,407.47 and 5,983.60 is: 8,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.78 : 13,407.47 = 5,983.60 : x
  2. Step 2: Convert to fraction form
    8,941.78/13,407.47 = 5,983.60/x
  3. Step 3: Cross multiply
    8,941.78x = 13,407.47 × 5,983.60
  4. Step 4: Simplify right side
    8,941.78x = 80,224,937.49
  5. Step 5: Solve for x
    x = 80,224,937.49/8,941.78
  6. Step 6: Final answer
    x = 8,971.92

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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.