Home / 7,699.95-11,551.14-3,317.45

Finding the Fourth Proportional to 7,699.95, 11,551.14 and 3,317.45

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Solution

The fourth proportional to 7,699.95, 11,551.14 and 3,317.45 is: 4,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.95 : 11,551.14 = 3,317.45 : x
  2. Step 2: Convert to fraction form
    7,699.95/11,551.14 = 3,317.45/x
  3. Step 3: Cross multiply
    7,699.95x = 11,551.14 × 3,317.45
  4. Step 4: Simplify right side
    7,699.95x = 38,320,271.64
  5. Step 5: Solve for x
    x = 38,320,271.64/7,699.95
  6. Step 6: Final answer
    x = 4,976.69

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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.