Home / 10,281.66-15,420.18-4,729.67

Finding the Fourth Proportional to 10,281.66, 15,420.18 and 4,729.67

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Solution

The fourth proportional to 10,281.66, 15,420.18 and 4,729.67 is: 7,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.66 : 15,420.18 = 4,729.67 : x
  2. Step 2: Convert to fraction form
    10,281.66/15,420.18 = 4,729.67/x
  3. Step 3: Cross multiply
    10,281.66x = 15,420.18 × 4,729.67
  4. Step 4: Simplify right side
    10,281.66x = 72,932,362.74
  5. Step 5: Solve for x
    x = 72,932,362.74/10,281.66
  6. Step 6: Final answer
    x = 7,093.44

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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.