Home / 9,880.14-13,635.03-5,689.74

Finding the Fourth Proportional to 9,880.14, 13,635.03 and 5,689.74

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Solution

The fourth proportional to 9,880.14, 13,635.03 and 5,689.74 is: 7,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.14 : 13,635.03 = 5,689.74 : x
  2. Step 2: Convert to fraction form
    9,880.14/13,635.03 = 5,689.74/x
  3. Step 3: Cross multiply
    9,880.14x = 13,635.03 × 5,689.74
  4. Step 4: Simplify right side
    9,880.14x = 77,579,775.59
  5. Step 5: Solve for x
    x = 77,579,775.59/9,880.14
  6. Step 6: Final answer
    x = 7,852.09

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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.