Home / 7,876.06-10,870.53-4,521.14

Finding the Fourth Proportional to 7,876.06, 10,870.53 and 4,521.14

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Solution

The fourth proportional to 7,876.06, 10,870.53 and 4,521.14 is: 6,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876.06 : 10,870.53 = 4,521.14 : x
  2. Step 2: Convert to fraction form
    7,876.06/10,870.53 = 4,521.14/x
  3. Step 3: Cross multiply
    7,876.06x = 10,870.53 × 4,521.14
  4. Step 4: Simplify right side
    7,876.06x = 49,147,133.65
  5. Step 5: Solve for x
    x = 49,147,133.65/7,876.06
  6. Step 6: Final answer
    x = 6,240.07

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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.