Home / 11,252.99-15,539.13-7,011.35

Finding the Fourth Proportional to 11,252.99, 15,539.13 and 7,011.35

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Solution

The fourth proportional to 11,252.99, 15,539.13 and 7,011.35 is: 9,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.99 : 15,539.13 = 7,011.35 : x
  2. Step 2: Convert to fraction form
    11,252.99/15,539.13 = 7,011.35/x
  3. Step 3: Cross multiply
    11,252.99x = 15,539.13 × 7,011.35
  4. Step 4: Simplify right side
    11,252.99x = 108,950,279.13
  5. Step 5: Solve for x
    x = 108,950,279.13/11,252.99
  6. Step 6: Final answer
    x = 9,681.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.