Home / 9,725.52-13,421.10-5,533.76

Finding the Fourth Proportional to 9,725.52, 13,421.10 and 5,533.76

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Solution

The fourth proportional to 9,725.52, 13,421.10 and 5,533.76 is: 7,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.52 : 13,421.10 = 5,533.76 : x
  2. Step 2: Convert to fraction form
    9,725.52/13,421.10 = 5,533.76/x
  3. Step 3: Cross multiply
    9,725.52x = 13,421.10 × 5,533.76
  4. Step 4: Simplify right side
    9,725.52x = 74,269,146.34
  5. Step 5: Solve for x
    x = 74,269,146.34/9,725.52
  6. Step 6: Final answer
    x = 7,636.52

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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.