Home / 10,347.42-15,518.39-2,952.30

Finding the Fourth Proportional to 10,347.42, 15,518.39 and 2,952.30

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Solution

The fourth proportional to 10,347.42, 15,518.39 and 2,952.30 is: 4,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.42 : 15,518.39 = 2,952.30 : x
  2. Step 2: Convert to fraction form
    10,347.42/15,518.39 = 2,952.30/x
  3. Step 3: Cross multiply
    10,347.42x = 15,518.39 × 2,952.30
  4. Step 4: Simplify right side
    10,347.42x = 45,814,942.80
  5. Step 5: Solve for x
    x = 45,814,942.80/10,347.42
  6. Step 6: Final answer
    x = 4,427.67

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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.