Home / 8,020.18-12,034.80-4,322.32

Finding the Fourth Proportional to 8,020.18, 12,034.80 and 4,322.32

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Solution

The fourth proportional to 8,020.18, 12,034.80 and 4,322.32 is: 6,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.18 : 12,034.80 = 4,322.32 : x
  2. Step 2: Convert to fraction form
    8,020.18/12,034.80 = 4,322.32/x
  3. Step 3: Cross multiply
    8,020.18x = 12,034.80 × 4,322.32
  4. Step 4: Simplify right side
    8,020.18x = 52,018,256.74
  5. Step 5: Solve for x
    x = 52,018,256.74/8,020.18
  6. Step 6: Final answer
    x = 6,485.92

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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.