Home / 9,631.01-13,290.77-5,439.26

Finding the Fourth Proportional to 9,631.01, 13,290.77 and 5,439.26

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Solution

The fourth proportional to 9,631.01, 13,290.77 and 5,439.26 is: 7,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.01 : 13,290.77 = 5,439.26 : x
  2. Step 2: Convert to fraction form
    9,631.01/13,290.77 = 5,439.26/x
  3. Step 3: Cross multiply
    9,631.01x = 13,290.77 × 5,439.26
  4. Step 4: Simplify right side
    9,631.01x = 72,292,000.46
  5. Step 5: Solve for x
    x = 72,292,000.46/9,631.01
  6. Step 6: Final answer
    x = 7,506.17

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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.