Home / 8,031.52-11,080.08-5,675.68

Finding the Fourth Proportional to 8,031.52, 11,080.08 and 5,675.68

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Solution

The fourth proportional to 8,031.52, 11,080.08 and 5,675.68 is: 7,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.52 : 11,080.08 = 5,675.68 : x
  2. Step 2: Convert to fraction form
    8,031.52/11,080.08 = 5,675.68/x
  3. Step 3: Cross multiply
    8,031.52x = 11,080.08 × 5,675.68
  4. Step 4: Simplify right side
    8,031.52x = 62,886,988.45
  5. Step 5: Solve for x
    x = 62,886,988.45/8,031.52
  6. Step 6: Final answer
    x = 7,830.02

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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.