Home / 9,240.90-13,868.63-4,308

Finding the Fourth Proportional to 9,240.90, 13,868.63 and 4,308

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Solution

The fourth proportional to 9,240.90, 13,868.63 and 4,308 is: 6,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.90 : 13,868.63 = 4,308 : x
  2. Step 2: Convert to fraction form
    9,240.90/13,868.63 = 4,308/x
  3. Step 3: Cross multiply
    9,240.90x = 13,868.63 × 4,308
  4. Step 4: Simplify right side
    9,240.90x = 59,746,058.04
  5. Step 5: Solve for x
    x = 59,746,058.04/9,240.90
  6. Step 6: Final answer
    x = 6,465.39

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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.