Home / 7,317.18-10,971.21-2,386.10

Finding the Fourth Proportional to 7,317.18, 10,971.21 and 2,386.10

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Solution

The fourth proportional to 7,317.18, 10,971.21 and 2,386.10 is: 3,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.18 : 10,971.21 = 2,386.10 : x
  2. Step 2: Convert to fraction form
    7,317.18/10,971.21 = 2,386.10/x
  3. Step 3: Cross multiply
    7,317.18x = 10,971.21 × 2,386.10
  4. Step 4: Simplify right side
    7,317.18x = 26,178,431.61
  5. Step 5: Solve for x
    x = 26,178,431.61/7,317.18
  6. Step 6: Final answer
    x = 3,577.67

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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.