Home / 28,336.12-42,500.94-7,561.24

Finding the Fourth Proportional to 28,336.12, 42,500.94 and 7,561.24

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Solution

The fourth proportional to 28,336.12, 42,500.94 and 7,561.24 is: 11,341.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.12 : 42,500.94 = 7,561.24 : x
  2. Step 2: Convert to fraction form
    28,336.12/42,500.94 = 7,561.24/x
  3. Step 3: Cross multiply
    28,336.12x = 42,500.94 × 7,561.24
  4. Step 4: Simplify right side
    28,336.12x = 321,359,807.57
  5. Step 5: Solve for x
    x = 321,359,807.57/28,336.12
  6. Step 6: Final answer
    x = 11,341.00

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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.