Home / 10,831.58-16,226.64-6,435.68

Finding the Fourth Proportional to 10,831.58, 16,226.64 and 6,435.68

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Solution

The fourth proportional to 10,831.58, 16,226.64 and 6,435.68 is: 9,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.58 : 16,226.64 = 6,435.68 : x
  2. Step 2: Convert to fraction form
    10,831.58/16,226.64 = 6,435.68/x
  3. Step 3: Cross multiply
    10,831.58x = 16,226.64 × 6,435.68
  4. Step 4: Simplify right side
    10,831.58x = 104,429,462.52
  5. Step 5: Solve for x
    x = 104,429,462.52/10,831.58
  6. Step 6: Final answer
    x = 9,641.20

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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.