Home / 28,472.34-42,707.94-9,498.36

Finding the Fourth Proportional to 28,472.34, 42,707.94 and 9,498.36

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Solution

The fourth proportional to 28,472.34, 42,707.94 and 9,498.36 is: 14,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472.34 : 42,707.94 = 9,498.36 : x
  2. Step 2: Convert to fraction form
    28,472.34/42,707.94 = 9,498.36/x
  3. Step 3: Cross multiply
    28,472.34x = 42,707.94 × 9,498.36
  4. Step 4: Simplify right side
    28,472.34x = 405,655,388.98
  5. Step 5: Solve for x
    x = 405,655,388.98/28,472.34
  6. Step 6: Final answer
    x = 14,247.35

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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.