Home / 10,657.14-15,980.07-4,731.45

Finding the Fourth Proportional to 10,657.14, 15,980.07 and 4,731.45

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Solution

The fourth proportional to 10,657.14, 15,980.07 and 4,731.45 is: 7,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.14 : 15,980.07 = 4,731.45 : x
  2. Step 2: Convert to fraction form
    10,657.14/15,980.07 = 4,731.45/x
  3. Step 3: Cross multiply
    10,657.14x = 15,980.07 × 4,731.45
  4. Step 4: Simplify right side
    10,657.14x = 75,608,902.20
  5. Step 5: Solve for x
    x = 75,608,902.20/10,657.14
  6. Step 6: Final answer
    x = 7,094.67

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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.