Home / 9,207.18-12,705.93-5,015.34

Finding the Fourth Proportional to 9,207.18, 12,705.93 and 5,015.34

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Solution

The fourth proportional to 9,207.18, 12,705.93 and 5,015.34 is: 6,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.18 : 12,705.93 = 5,015.34 : x
  2. Step 2: Convert to fraction form
    9,207.18/12,705.93 = 5,015.34/x
  3. Step 3: Cross multiply
    9,207.18x = 12,705.93 × 5,015.34
  4. Step 4: Simplify right side
    9,207.18x = 63,724,558.97
  5. Step 5: Solve for x
    x = 63,724,558.97/9,207.18
  6. Step 6: Final answer
    x = 6,921.18

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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.