Home / 7,870.26-11,792.56-4,586.12

Finding the Fourth Proportional to 7,870.26, 11,792.56 and 4,586.12

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Solution

The fourth proportional to 7,870.26, 11,792.56 and 4,586.12 is: 6,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870.26 : 11,792.56 = 4,586.12 : x
  2. Step 2: Convert to fraction form
    7,870.26/11,792.56 = 4,586.12/x
  3. Step 3: Cross multiply
    7,870.26x = 11,792.56 × 4,586.12
  4. Step 4: Simplify right side
    7,870.26x = 54,082,095.27
  5. Step 5: Solve for x
    x = 54,082,095.27/7,870.26
  6. Step 6: Final answer
    x = 6,871.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.