Home / 9,406.02-12,981.52-6,178.60

Finding the Fourth Proportional to 9,406.02, 12,981.52 and 6,178.60

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Solution

The fourth proportional to 9,406.02, 12,981.52 and 6,178.60 is: 8,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,406.02 : 12,981.52 = 6,178.60 : x
  2. Step 2: Convert to fraction form
    9,406.02/12,981.52 = 6,178.60/x
  3. Step 3: Cross multiply
    9,406.02x = 12,981.52 × 6,178.60
  4. Step 4: Simplify right side
    9,406.02x = 80,207,619.47
  5. Step 5: Solve for x
    x = 80,207,619.47/9,406.02
  6. Step 6: Final answer
    x = 8,527.26

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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.