Home / 8,316.17-12,475.67-2,768.07

Finding the Fourth Proportional to 8,316.17, 12,475.67 and 2,768.07

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Solution

The fourth proportional to 8,316.17, 12,475.67 and 2,768.07 is: 4,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.17 : 12,475.67 = 2,768.07 : x
  2. Step 2: Convert to fraction form
    8,316.17/12,475.67 = 2,768.07/x
  3. Step 3: Cross multiply
    8,316.17x = 12,475.67 × 2,768.07
  4. Step 4: Simplify right side
    8,316.17x = 34,533,514.02
  5. Step 5: Solve for x
    x = 34,533,514.02/8,316.17
  6. Step 6: Final answer
    x = 4,152.58

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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.