Home / 10,420.70-15,636.51-4,873.01

Finding the Fourth Proportional to 10,420.70, 15,636.51 and 4,873.01

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Solution

The fourth proportional to 10,420.70, 15,636.51 and 4,873.01 is: 7,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.70 : 15,636.51 = 4,873.01 : x
  2. Step 2: Convert to fraction form
    10,420.70/15,636.51 = 4,873.01/x
  3. Step 3: Cross multiply
    10,420.70x = 15,636.51 × 4,873.01
  4. Step 4: Simplify right side
    10,420.70x = 76,196,791.41
  5. Step 5: Solve for x
    x = 76,196,791.41/10,420.70
  6. Step 6: Final answer
    x = 7,312.06

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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.