Home / 10,350.72-15,506.64-8,030.88

Finding the Fourth Proportional to 10,350.72, 15,506.64 and 8,030.88

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Solution

The fourth proportional to 10,350.72, 15,506.64 and 8,030.88 is: 12,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.72 : 15,506.64 = 8,030.88 : x
  2. Step 2: Convert to fraction form
    10,350.72/15,506.64 = 8,030.88/x
  3. Step 3: Cross multiply
    10,350.72x = 15,506.64 × 8,030.88
  4. Step 4: Simplify right side
    10,350.72x = 124,531,965.04
  5. Step 5: Solve for x
    x = 124,531,965.04/10,350.72
  6. Step 6: Final answer
    x = 12,031.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.