Home / 7,913.16-11,858.40-4,443.12

Finding the Fourth Proportional to 7,913.16, 11,858.40 and 4,443.12

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Solution

The fourth proportional to 7,913.16, 11,858.40 and 4,443.12 is: 6,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.16 : 11,858.40 = 4,443.12 : x
  2. Step 2: Convert to fraction form
    7,913.16/11,858.40 = 4,443.12/x
  3. Step 3: Cross multiply
    7,913.16x = 11,858.40 × 4,443.12
  4. Step 4: Simplify right side
    7,913.16x = 52,688,294.21
  5. Step 5: Solve for x
    x = 52,688,294.21/7,913.16
  6. Step 6: Final answer
    x = 6,658.31

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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.