Home / 9,021.60-13,499.12-5,465.77

Finding the Fourth Proportional to 9,021.60, 13,499.12 and 5,465.77

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Solution

The fourth proportional to 9,021.60, 13,499.12 and 5,465.77 is: 8,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.60 : 13,499.12 = 5,465.77 : x
  2. Step 2: Convert to fraction form
    9,021.60/13,499.12 = 5,465.77/x
  3. Step 3: Cross multiply
    9,021.60x = 13,499.12 × 5,465.77
  4. Step 4: Simplify right side
    9,021.60x = 73,783,065.04
  5. Step 5: Solve for x
    x = 73,783,065.04/9,021.60
  6. Step 6: Final answer
    x = 8,178.49

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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.