Home / 7,867.02-10,849.35-6,165.75

Finding the Fourth Proportional to 7,867.02, 10,849.35 and 6,165.75

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Solution

The fourth proportional to 7,867.02, 10,849.35 and 6,165.75 is: 8,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.02 : 10,849.35 = 6,165.75 : x
  2. Step 2: Convert to fraction form
    7,867.02/10,849.35 = 6,165.75/x
  3. Step 3: Cross multiply
    7,867.02x = 10,849.35 × 6,165.75
  4. Step 4: Simplify right side
    7,867.02x = 66,894,379.76
  5. Step 5: Solve for x
    x = 66,894,379.76/7,867.02
  6. Step 6: Final answer
    x = 8,503.14

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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.