Home / 9,511.74-13,126.28-5,319.99

Finding the Fourth Proportional to 9,511.74, 13,126.28 and 5,319.99

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Solution

The fourth proportional to 9,511.74, 13,126.28 and 5,319.99 is: 7,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.74 : 13,126.28 = 5,319.99 : x
  2. Step 2: Convert to fraction form
    9,511.74/13,126.28 = 5,319.99/x
  3. Step 3: Cross multiply
    9,511.74x = 13,126.28 × 5,319.99
  4. Step 4: Simplify right side
    9,511.74x = 69,831,651.74
  5. Step 5: Solve for x
    x = 69,831,651.74/9,511.74
  6. Step 6: Final answer
    x = 7,341.63

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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.