Home / 7,355.13-11,021.90-5,798.94

Finding the Fourth Proportional to 7,355.13, 11,021.90 and 5,798.94

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Solution

The fourth proportional to 7,355.13, 11,021.90 and 5,798.94 is: 8,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.13 : 11,021.90 = 5,798.94 : x
  2. Step 2: Convert to fraction form
    7,355.13/11,021.90 = 5,798.94/x
  3. Step 3: Cross multiply
    7,355.13x = 11,021.90 × 5,798.94
  4. Step 4: Simplify right side
    7,355.13x = 63,915,307.79
  5. Step 5: Solve for x
    x = 63,915,307.79/7,355.13
  6. Step 6: Final answer
    x = 8,689.90

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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.