Home / 9,564.30-13,188.10-6,539.92

Finding the Fourth Proportional to 9,564.30, 13,188.10 and 6,539.92

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Solution

The fourth proportional to 9,564.30, 13,188.10 and 6,539.92 is: 9,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,564.30 : 13,188.10 = 6,539.92 : x
  2. Step 2: Convert to fraction form
    9,564.30/13,188.10 = 6,539.92/x
  3. Step 3: Cross multiply
    9,564.30x = 13,188.10 × 6,539.92
  4. Step 4: Simplify right side
    9,564.30x = 86,249,118.95
  5. Step 5: Solve for x
    x = 86,249,118.95/9,564.30
  6. Step 6: Final answer
    x = 9,017.82

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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.