Home / 9,953.30-13,735.88-5,705.16

Finding the Fourth Proportional to 9,953.30, 13,735.88 and 5,705.16

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Solution

The fourth proportional to 9,953.30, 13,735.88 and 5,705.16 is: 7,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.30 : 13,735.88 = 5,705.16 : x
  2. Step 2: Convert to fraction form
    9,953.30/13,735.88 = 5,705.16/x
  3. Step 3: Cross multiply
    9,953.30x = 13,735.88 × 5,705.16
  4. Step 4: Simplify right side
    9,953.30x = 78,365,393.14
  5. Step 5: Solve for x
    x = 78,365,393.14/9,953.30
  6. Step 6: Final answer
    x = 7,873.31

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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.