Home / 9,960.36-13,746.54-5,712.11

Finding the Fourth Proportional to 9,960.36, 13,746.54 and 5,712.11

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Solution

The fourth proportional to 9,960.36, 13,746.54 and 5,712.11 is: 7,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.36 : 13,746.54 = 5,712.11 : x
  2. Step 2: Convert to fraction form
    9,960.36/13,746.54 = 5,712.11/x
  3. Step 3: Cross multiply
    9,960.36x = 13,746.54 × 5,712.11
  4. Step 4: Simplify right side
    9,960.36x = 78,521,748.60
  5. Step 5: Solve for x
    x = 78,521,748.60/9,960.36
  6. Step 6: Final answer
    x = 7,883.42

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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.