Home / 12,031.53-18,047.30-5,870.25

Finding the Fourth Proportional to 12,031.53, 18,047.30 and 5,870.25

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Solution

The fourth proportional to 12,031.53, 18,047.30 and 5,870.25 is: 8,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.53 : 18,047.30 = 5,870.25 : x
  2. Step 2: Convert to fraction form
    12,031.53/18,047.30 = 5,870.25/x
  3. Step 3: Cross multiply
    12,031.53x = 18,047.30 × 5,870.25
  4. Step 4: Simplify right side
    12,031.53x = 105,942,162.83
  5. Step 5: Solve for x
    x = 105,942,162.83/12,031.53
  6. Step 6: Final answer
    x = 8,805.38

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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.