Home / 7,988.52-11,020.68-4,803.06

Finding the Fourth Proportional to 7,988.52, 11,020.68 and 4,803.06

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Solution

The fourth proportional to 7,988.52, 11,020.68 and 4,803.06 is: 6,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.52 : 11,020.68 = 4,803.06 : x
  2. Step 2: Convert to fraction form
    7,988.52/11,020.68 = 4,803.06/x
  3. Step 3: Cross multiply
    7,988.52x = 11,020.68 × 4,803.06
  4. Step 4: Simplify right side
    7,988.52x = 52,932,987.28
  5. Step 5: Solve for x
    x = 52,932,987.28/7,988.52
  6. Step 6: Final answer
    x = 6,626.13

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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.