Home / 6,849.96-9,436.55-6,516.45

Finding the Fourth Proportional to 6,849.96, 9,436.55 and 6,516.45

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Solution

The fourth proportional to 6,849.96, 9,436.55 and 6,516.45 is: 8,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.96 : 9,436.55 = 6,516.45 : x
  2. Step 2: Convert to fraction form
    6,849.96/9,436.55 = 6,516.45/x
  3. Step 3: Cross multiply
    6,849.96x = 9,436.55 × 6,516.45
  4. Step 4: Simplify right side
    6,849.96x = 61,492,773.67
  5. Step 5: Solve for x
    x = 61,492,773.67/6,849.96
  6. Step 6: Final answer
    x = 8,977.10

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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.