Home / 10,686.25-14,746.93-5,906.50

Finding the Fourth Proportional to 10,686.25, 14,746.93 and 5,906.50

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Solution

The fourth proportional to 10,686.25, 14,746.93 and 5,906.50 is: 8,150.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.25 : 14,746.93 = 5,906.50 : x
  2. Step 2: Convert to fraction form
    10,686.25/14,746.93 = 5,906.50/x
  3. Step 3: Cross multiply
    10,686.25x = 14,746.93 × 5,906.50
  4. Step 4: Simplify right side
    10,686.25x = 87,102,742.05
  5. Step 5: Solve for x
    x = 87,102,742.05/10,686.25
  6. Step 6: Final answer
    x = 8,150.92

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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.