Home / 9,309.06-12,849.75-5,583.06

Finding the Fourth Proportional to 9,309.06, 12,849.75 and 5,583.06

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Solution

The fourth proportional to 9,309.06, 12,849.75 and 5,583.06 is: 7,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.06 : 12,849.75 = 5,583.06 : x
  2. Step 2: Convert to fraction form
    9,309.06/12,849.75 = 5,583.06/x
  3. Step 3: Cross multiply
    9,309.06x = 12,849.75 × 5,583.06
  4. Step 4: Simplify right side
    9,309.06x = 71,740,925.24
  5. Step 5: Solve for x
    x = 71,740,925.24/9,309.06
  6. Step 6: Final answer
    x = 7,706.57

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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.