Home / 10,735.08-16,102.64-8,645.28

Finding the Fourth Proportional to 10,735.08, 16,102.64 and 8,645.28

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Solution

The fourth proportional to 10,735.08, 16,102.64 and 8,645.28 is: 12,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,735.08 : 16,102.64 = 8,645.28 : x
  2. Step 2: Convert to fraction form
    10,735.08/16,102.64 = 8,645.28/x
  3. Step 3: Cross multiply
    10,735.08x = 16,102.64 × 8,645.28
  4. Step 4: Simplify right side
    10,735.08x = 139,211,831.54
  5. Step 5: Solve for x
    x = 139,211,831.54/10,735.08
  6. Step 6: Final answer
    x = 12,967.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.