Home / 9,322.18-12,861.71-5,288.35

Finding the Fourth Proportional to 9,322.18, 12,861.71 and 5,288.35

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Solution

The fourth proportional to 9,322.18, 12,861.71 and 5,288.35 is: 7,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.18 : 12,861.71 = 5,288.35 : x
  2. Step 2: Convert to fraction form
    9,322.18/12,861.71 = 5,288.35/x
  3. Step 3: Cross multiply
    9,322.18x = 12,861.71 × 5,288.35
  4. Step 4: Simplify right side
    9,322.18x = 68,017,159.77
  5. Step 5: Solve for x
    x = 68,017,159.77/9,322.18
  6. Step 6: Final answer
    x = 7,296.27

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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.