Home / 10,903.18-16,341.57-4,971.94

Finding the Fourth Proportional to 10,903.18, 16,341.57 and 4,971.94

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Solution

The fourth proportional to 10,903.18, 16,341.57 and 4,971.94 is: 7,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.18 : 16,341.57 = 4,971.94 : x
  2. Step 2: Convert to fraction form
    10,903.18/16,341.57 = 4,971.94/x
  3. Step 3: Cross multiply
    10,903.18x = 16,341.57 × 4,971.94
  4. Step 4: Simplify right side
    10,903.18x = 81,249,353.12
  5. Step 5: Solve for x
    x = 81,249,353.12/10,903.18
  6. Step 6: Final answer
    x = 7,451.90

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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.