Home / 30,257.07-45,385.59-9,197.28

Finding the Fourth Proportional to 30,257.07, 45,385.59 and 9,197.28

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Solution

The fourth proportional to 30,257.07, 45,385.59 and 9,197.28 is: 13,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.07 : 45,385.59 = 9,197.28 : x
  2. Step 2: Convert to fraction form
    30,257.07/45,385.59 = 9,197.28/x
  3. Step 3: Cross multiply
    30,257.07x = 45,385.59 × 9,197.28
  4. Step 4: Simplify right side
    30,257.07x = 417,423,752.27
  5. Step 5: Solve for x
    x = 417,423,752.27/30,257.07
  6. Step 6: Final answer
    x = 13,795.91

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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.