Home / 9,701.39-13,389.03-5,394.91

Finding the Fourth Proportional to 9,701.39, 13,389.03 and 5,394.91

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Solution

The fourth proportional to 9,701.39, 13,389.03 and 5,394.91 is: 7,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,701.39 : 13,389.03 = 5,394.91 : x
  2. Step 2: Convert to fraction form
    9,701.39/13,389.03 = 5,394.91/x
  3. Step 3: Cross multiply
    9,701.39x = 13,389.03 × 5,394.91
  4. Step 4: Simplify right side
    9,701.39x = 72,232,583.24
  5. Step 5: Solve for x
    x = 72,232,583.24/9,701.39
  6. Step 6: Final answer
    x = 7,445.59

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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.