Home / 10,678.68-16,017.66-4,831.20

Finding the Fourth Proportional to 10,678.68, 16,017.66 and 4,831.20

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Solution

The fourth proportional to 10,678.68, 16,017.66 and 4,831.20 is: 7,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.68 : 16,017.66 = 4,831.20 : x
  2. Step 2: Convert to fraction form
    10,678.68/16,017.66 = 4,831.20/x
  3. Step 3: Cross multiply
    10,678.68x = 16,017.66 × 4,831.20
  4. Step 4: Simplify right side
    10,678.68x = 77,384,518.99
  5. Step 5: Solve for x
    x = 77,384,518.99/10,678.68
  6. Step 6: Final answer
    x = 7,246.64

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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.