Home / 9,207.51-12,706.37-5,015.76

Finding the Fourth Proportional to 9,207.51, 12,706.37 and 5,015.76

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Solution

The fourth proportional to 9,207.51, 12,706.37 and 5,015.76 is: 6,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.51 : 12,706.37 = 5,015.76 : x
  2. Step 2: Convert to fraction form
    9,207.51/12,706.37 = 5,015.76/x
  3. Step 3: Cross multiply
    9,207.51x = 12,706.37 × 5,015.76
  4. Step 4: Simplify right side
    9,207.51x = 63,732,102.39
  5. Step 5: Solve for x
    x = 63,732,102.39/9,207.51
  6. Step 6: Final answer
    x = 6,921.75

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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.