Home / 7,330.70-11,008.20-4,876.40

Finding the Fourth Proportional to 7,330.70, 11,008.20 and 4,876.40

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Solution

The fourth proportional to 7,330.70, 11,008.20 and 4,876.40 is: 7,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.70 : 11,008.20 = 4,876.40 : x
  2. Step 2: Convert to fraction form
    7,330.70/11,008.20 = 4,876.40/x
  3. Step 3: Cross multiply
    7,330.70x = 11,008.20 × 4,876.40
  4. Step 4: Simplify right side
    7,330.70x = 53,680,386.48
  5. Step 5: Solve for x
    x = 53,680,386.48/7,330.70
  6. Step 6: Final answer
    x = 7,322.68

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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.