Home / 13,307.64-19,961.56-5,910.10

Finding the Fourth Proportional to 13,307.64, 19,961.56 and 5,910.10

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Solution

The fourth proportional to 13,307.64, 19,961.56 and 5,910.10 is: 8,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.64 : 19,961.56 = 5,910.10 : x
  2. Step 2: Convert to fraction form
    13,307.64/19,961.56 = 5,910.10/x
  3. Step 3: Cross multiply
    13,307.64x = 19,961.56 × 5,910.10
  4. Step 4: Simplify right side
    13,307.64x = 117,974,815.76
  5. Step 5: Solve for x
    x = 117,974,815.76/13,307.64
  6. Step 6: Final answer
    x = 8,865.19

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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.