Home / 9,961.76-13,746.84-5,770.01

Finding the Fourth Proportional to 9,961.76, 13,746.84 and 5,770.01

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Solution

The fourth proportional to 9,961.76, 13,746.84 and 5,770.01 is: 7,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.76 : 13,746.84 = 5,770.01 : x
  2. Step 2: Convert to fraction form
    9,961.76/13,746.84 = 5,770.01/x
  3. Step 3: Cross multiply
    9,961.76x = 13,746.84 × 5,770.01
  4. Step 4: Simplify right side
    9,961.76x = 79,319,404.27
  5. Step 5: Solve for x
    x = 79,319,404.27/9,961.76
  6. Step 6: Final answer
    x = 7,962.39

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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.