Home / 9,746.53-13,449.45-5,554.78

Finding the Fourth Proportional to 9,746.53, 13,449.45 and 5,554.78

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Solution

The fourth proportional to 9,746.53, 13,449.45 and 5,554.78 is: 7,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,746.53 : 13,449.45 = 5,554.78 : x
  2. Step 2: Convert to fraction form
    9,746.53/13,449.45 = 5,554.78/x
  3. Step 3: Cross multiply
    9,746.53x = 13,449.45 × 5,554.78
  4. Step 4: Simplify right side
    9,746.53x = 74,708,735.87
  5. Step 5: Solve for x
    x = 74,708,735.87/9,746.53
  6. Step 6: Final answer
    x = 7,665.16

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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.