Home / 9,651.84-13,319.28-5,460

Finding the Fourth Proportional to 9,651.84, 13,319.28 and 5,460

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Solution

The fourth proportional to 9,651.84, 13,319.28 and 5,460 is: 7,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.84 : 13,319.28 = 5,460 : x
  2. Step 2: Convert to fraction form
    9,651.84/13,319.28 = 5,460/x
  3. Step 3: Cross multiply
    9,651.84x = 13,319.28 × 5,460
  4. Step 4: Simplify right side
    9,651.84x = 72,723,268.80
  5. Step 5: Solve for x
    x = 72,723,268.80/9,651.84
  6. Step 6: Final answer
    x = 7,534.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.