Home / 9,207.29-12,706.07-5,015.54

Finding the Fourth Proportional to 9,207.29, 12,706.07 and 5,015.54

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Solution

The fourth proportional to 9,207.29, 12,706.07 and 5,015.54 is: 6,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.29 : 12,706.07 = 5,015.54 : x
  2. Step 2: Convert to fraction form
    9,207.29/12,706.07 = 5,015.54/x
  3. Step 3: Cross multiply
    9,207.29x = 12,706.07 × 5,015.54
  4. Step 4: Simplify right side
    9,207.29x = 63,727,809.02
  5. Step 5: Solve for x
    x = 63,727,809.02/9,207.29
  6. Step 6: Final answer
    x = 6,921.45

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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.