Home / 9,725.52-13,421.28-5,533.84

Finding the Fourth Proportional to 9,725.52, 13,421.28 and 5,533.84

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Solution

The fourth proportional to 9,725.52, 13,421.28 and 5,533.84 is: 7,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.52 : 13,421.28 = 5,533.84 : x
  2. Step 2: Convert to fraction form
    9,725.52/13,421.28 = 5,533.84/x
  3. Step 3: Cross multiply
    9,725.52x = 13,421.28 × 5,533.84
  4. Step 4: Simplify right side
    9,725.52x = 74,271,216.12
  5. Step 5: Solve for x
    x = 74,271,216.12/9,725.52
  6. Step 6: Final answer
    x = 7,636.73

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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.