Home / 9,631.52-13,291.48-5,439.76

Finding the Fourth Proportional to 9,631.52, 13,291.48 and 5,439.76

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Solution

The fourth proportional to 9,631.52, 13,291.48 and 5,439.76 is: 7,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.52 : 13,291.48 = 5,439.76 : x
  2. Step 2: Convert to fraction form
    9,631.52/13,291.48 = 5,439.76/x
  3. Step 3: Cross multiply
    9,631.52x = 13,291.48 × 5,439.76
  4. Step 4: Simplify right side
    9,631.52x = 72,302,461.24
  5. Step 5: Solve for x
    x = 72,302,461.24/9,631.52
  6. Step 6: Final answer
    x = 7,506.86

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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.