Home / 8,254.12-12,376.32-5,482.32

Finding the Fourth Proportional to 8,254.12, 12,376.32 and 5,482.32

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Solution

The fourth proportional to 8,254.12, 12,376.32 and 5,482.32 is: 8,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.12 : 12,376.32 = 5,482.32 : x
  2. Step 2: Convert to fraction form
    8,254.12/12,376.32 = 5,482.32/x
  3. Step 3: Cross multiply
    8,254.12x = 12,376.32 × 5,482.32
  4. Step 4: Simplify right side
    8,254.12x = 67,850,946.66
  5. Step 5: Solve for x
    x = 67,850,946.66/8,254.12
  6. Step 6: Final answer
    x = 8,220.25

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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.