Home / 11,496.04-15,855.26-7,718.06

Finding the Fourth Proportional to 11,496.04, 15,855.26 and 7,718.06

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Solution

The fourth proportional to 11,496.04, 15,855.26 and 7,718.06 is: 10,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,496.04 : 15,855.26 = 7,718.06 : x
  2. Step 2: Convert to fraction form
    11,496.04/15,855.26 = 7,718.06/x
  3. Step 3: Cross multiply
    11,496.04x = 15,855.26 × 7,718.06
  4. Step 4: Simplify right side
    11,496.04x = 122,371,848.00
  5. Step 5: Solve for x
    x = 122,371,848.00/11,496.04
  6. Step 6: Final answer
    x = 10,644.70

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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.