Home / 9,400.59-12,971.58-5,622.38

Finding the Fourth Proportional to 9,400.59, 12,971.58 and 5,622.38

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Solution

The fourth proportional to 9,400.59, 12,971.58 and 5,622.38 is: 7,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.59 : 12,971.58 = 5,622.38 : x
  2. Step 2: Convert to fraction form
    9,400.59/12,971.58 = 5,622.38/x
  3. Step 3: Cross multiply
    9,400.59x = 12,971.58 × 5,622.38
  4. Step 4: Simplify right side
    9,400.59x = 72,931,114.66
  5. Step 5: Solve for x
    x = 72,931,114.66/9,400.59
  6. Step 6: Final answer
    x = 7,758.14

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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.