Home / 10,031.58-15,048.21-3,455.10

Finding the Fourth Proportional to 10,031.58, 15,048.21 and 3,455.10

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Solution

The fourth proportional to 10,031.58, 15,048.21 and 3,455.10 is: 5,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.58 : 15,048.21 = 3,455.10 : x
  2. Step 2: Convert to fraction form
    10,031.58/15,048.21 = 3,455.10/x
  3. Step 3: Cross multiply
    10,031.58x = 15,048.21 × 3,455.10
  4. Step 4: Simplify right side
    10,031.58x = 51,993,070.37
  5. Step 5: Solve for x
    x = 51,993,070.37/10,031.58
  6. Step 6: Final answer
    x = 5,182.94

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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.