Home / 8,278.19-11,423.86-4,741.32

Finding the Fourth Proportional to 8,278.19, 11,423.86 and 4,741.32

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Solution

The fourth proportional to 8,278.19, 11,423.86 and 4,741.32 is: 6,543.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.19 : 11,423.86 = 4,741.32 : x
  2. Step 2: Convert to fraction form
    8,278.19/11,423.86 = 4,741.32/x
  3. Step 3: Cross multiply
    8,278.19x = 11,423.86 × 4,741.32
  4. Step 4: Simplify right side
    8,278.19x = 54,164,175.90
  5. Step 5: Solve for x
    x = 54,164,175.90/8,278.19
  6. Step 6: Final answer
    x = 6,543.00

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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.