Home / 10,113.05-13,955.69-6,338.25

Finding the Fourth Proportional to 10,113.05, 13,955.69 and 6,338.25

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Solution

The fourth proportional to 10,113.05, 13,955.69 and 6,338.25 is: 8,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.05 : 13,955.69 = 6,338.25 : x
  2. Step 2: Convert to fraction form
    10,113.05/13,955.69 = 6,338.25/x
  3. Step 3: Cross multiply
    10,113.05x = 13,955.69 × 6,338.25
  4. Step 4: Simplify right side
    10,113.05x = 88,454,620.45
  5. Step 5: Solve for x
    x = 88,454,620.45/10,113.05
  6. Step 6: Final answer
    x = 8,746.58

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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.