Home / 8,222.04-11,345.40-5,236.65

Finding the Fourth Proportional to 8,222.04, 11,345.40 and 5,236.65

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Solution

The fourth proportional to 8,222.04, 11,345.40 and 5,236.65 is: 7,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.04 : 11,345.40 = 5,236.65 : x
  2. Step 2: Convert to fraction form
    8,222.04/11,345.40 = 5,236.65/x
  3. Step 3: Cross multiply
    8,222.04x = 11,345.40 × 5,236.65
  4. Step 4: Simplify right side
    8,222.04x = 59,411,888.91
  5. Step 5: Solve for x
    x = 59,411,888.91/8,222.04
  6. Step 6: Final answer
    x = 7,225.93

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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.