Home / 7,416.48-11,122.64-2,222.40

Finding the Fourth Proportional to 7,416.48, 11,122.64 and 2,222.40

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Solution

The fourth proportional to 7,416.48, 11,122.64 and 2,222.40 is: 3,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.48 : 11,122.64 = 2,222.40 : x
  2. Step 2: Convert to fraction form
    7,416.48/11,122.64 = 2,222.40/x
  3. Step 3: Cross multiply
    7,416.48x = 11,122.64 × 2,222.40
  4. Step 4: Simplify right side
    7,416.48x = 24,718,955.14
  5. Step 5: Solve for x
    x = 24,718,955.14/7,416.48
  6. Step 6: Final answer
    x = 3,332.98

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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.