Home / 9,159.16-12,631.68-5,971.24

Finding the Fourth Proportional to 9,159.16, 12,631.68 and 5,971.24

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Solution

The fourth proportional to 9,159.16, 12,631.68 and 5,971.24 is: 8,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.16 : 12,631.68 = 5,971.24 : x
  2. Step 2: Convert to fraction form
    9,159.16/12,631.68 = 5,971.24/x
  3. Step 3: Cross multiply
    9,159.16x = 12,631.68 × 5,971.24
  4. Step 4: Simplify right side
    9,159.16x = 75,426,792.88
  5. Step 5: Solve for x
    x = 75,426,792.88/9,159.16
  6. Step 6: Final answer
    x = 8,235.12

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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.