Home / 9,528.47-13,157.91-6,176.88

Finding the Fourth Proportional to 9,528.47, 13,157.91 and 6,176.88

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Solution

The fourth proportional to 9,528.47, 13,157.91 and 6,176.88 is: 8,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.47 : 13,157.91 = 6,176.88 : x
  2. Step 2: Convert to fraction form
    9,528.47/13,157.91 = 6,176.88/x
  3. Step 3: Cross multiply
    9,528.47x = 13,157.91 × 6,176.88
  4. Step 4: Simplify right side
    9,528.47x = 81,274,831.12
  5. Step 5: Solve for x
    x = 81,274,831.12/9,528.47
  6. Step 6: Final answer
    x = 8,529.69

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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.