Home / 7,656.10-11,464.70-6,113.86

Finding the Fourth Proportional to 7,656.10, 11,464.70 and 6,113.86

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Solution

The fourth proportional to 7,656.10, 11,464.70 and 6,113.86 is: 9,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.10 : 11,464.70 = 6,113.86 : x
  2. Step 2: Convert to fraction form
    7,656.10/11,464.70 = 6,113.86/x
  3. Step 3: Cross multiply
    7,656.10x = 11,464.70 × 6,113.86
  4. Step 4: Simplify right side
    7,656.10x = 70,093,482.85
  5. Step 5: Solve for x
    x = 70,093,482.85/7,656.10
  6. Step 6: Final answer
    x = 9,155.25

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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.