Home / 11,316.95-16,968.81-3,417.10

Finding the Fourth Proportional to 11,316.95, 16,968.81 and 3,417.10

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Solution

The fourth proportional to 11,316.95, 16,968.81 and 3,417.10 is: 5,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.95 : 16,968.81 = 3,417.10 : x
  2. Step 2: Convert to fraction form
    11,316.95/16,968.81 = 3,417.10/x
  3. Step 3: Cross multiply
    11,316.95x = 16,968.81 × 3,417.10
  4. Step 4: Simplify right side
    11,316.95x = 57,984,167.27
  5. Step 5: Solve for x
    x = 57,984,167.27/11,316.95
  6. Step 6: Final answer
    x = 5,123.66

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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.