Home / 7,621.98-11,386.79-4,826.27

Finding the Fourth Proportional to 7,621.98, 11,386.79 and 4,826.27

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Solution

The fourth proportional to 7,621.98, 11,386.79 and 4,826.27 is: 7,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.98 : 11,386.79 = 4,826.27 : x
  2. Step 2: Convert to fraction form
    7,621.98/11,386.79 = 4,826.27/x
  3. Step 3: Cross multiply
    7,621.98x = 11,386.79 × 4,826.27
  4. Step 4: Simplify right side
    7,621.98x = 54,955,641.91
  5. Step 5: Solve for x
    x = 54,955,641.91/7,621.98
  6. Step 6: Final answer
    x = 7,210.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.