Home / 7,700.69-11,549.83-2,506.53

Finding the Fourth Proportional to 7,700.69, 11,549.83 and 2,506.53

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Solution

The fourth proportional to 7,700.69, 11,549.83 and 2,506.53 is: 3,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.69 : 11,549.83 = 2,506.53 : x
  2. Step 2: Convert to fraction form
    7,700.69/11,549.83 = 2,506.53/x
  3. Step 3: Cross multiply
    7,700.69x = 11,549.83 × 2,506.53
  4. Step 4: Simplify right side
    7,700.69x = 28,949,931.37
  5. Step 5: Solve for x
    x = 28,949,931.37/7,700.69
  6. Step 6: Final answer
    x = 3,759.40

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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.