Home / 9,616.71-13,270.45-5,368.40

Finding the Fourth Proportional to 9,616.71, 13,270.45 and 5,368.40

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Solution

The fourth proportional to 9,616.71, 13,270.45 and 5,368.40 is: 7,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,616.71 : 13,270.45 = 5,368.40 : x
  2. Step 2: Convert to fraction form
    9,616.71/13,270.45 = 5,368.40/x
  3. Step 3: Cross multiply
    9,616.71x = 13,270.45 × 5,368.40
  4. Step 4: Simplify right side
    9,616.71x = 71,241,083.78
  5. Step 5: Solve for x
    x = 71,241,083.78/9,616.71
  6. Step 6: Final answer
    x = 7,408.05

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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.