Home / 9,895.84-13,656.26-5,419.59

Finding the Fourth Proportional to 9,895.84, 13,656.26 and 5,419.59

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Solution

The fourth proportional to 9,895.84, 13,656.26 and 5,419.59 is: 7,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.84 : 13,656.26 = 5,419.59 : x
  2. Step 2: Convert to fraction form
    9,895.84/13,656.26 = 5,419.59/x
  3. Step 3: Cross multiply
    9,895.84x = 13,656.26 × 5,419.59
  4. Step 4: Simplify right side
    9,895.84x = 74,011,369.29
  5. Step 5: Solve for x
    x = 74,011,369.29/9,895.84
  6. Step 6: Final answer
    x = 7,479.04

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1.5x scale

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.