Home / 9,077.51-13,617.87-4,147.65

Finding the Fourth Proportional to 9,077.51, 13,617.87 and 4,147.65

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Solution

The fourth proportional to 9,077.51, 13,617.87 and 4,147.65 is: 6,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.51 : 13,617.87 = 4,147.65 : x
  2. Step 2: Convert to fraction form
    9,077.51/13,617.87 = 4,147.65/x
  3. Step 3: Cross multiply
    9,077.51x = 13,617.87 × 4,147.65
  4. Step 4: Simplify right side
    9,077.51x = 56,482,158.51
  5. Step 5: Solve for x
    x = 56,482,158.51/9,077.51
  6. Step 6: Final answer
    x = 6,222.21

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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.