Home / 9,542.88-14,320.80-4,929.12

Finding the Fourth Proportional to 9,542.88, 14,320.80 and 4,929.12

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Solution

The fourth proportional to 9,542.88, 14,320.80 and 4,929.12 is: 7,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,542.88 : 14,320.80 = 4,929.12 : x
  2. Step 2: Convert to fraction form
    9,542.88/14,320.80 = 4,929.12/x
  3. Step 3: Cross multiply
    9,542.88x = 14,320.80 × 4,929.12
  4. Step 4: Simplify right side
    9,542.88x = 70,588,941.70
  5. Step 5: Solve for x
    x = 70,588,941.70/9,542.88
  6. Step 6: Final answer
    x = 7,397.03

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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.