Home / 9,816.67-13,547.23-5,340.66

Finding the Fourth Proportional to 9,816.67, 13,547.23 and 5,340.66

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Solution

The fourth proportional to 9,816.67, 13,547.23 and 5,340.66 is: 7,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.67 : 13,547.23 = 5,340.66 : x
  2. Step 2: Convert to fraction form
    9,816.67/13,547.23 = 5,340.66/x
  3. Step 3: Cross multiply
    9,816.67x = 13,547.23 × 5,340.66
  4. Step 4: Simplify right side
    9,816.67x = 72,351,149.37
  5. Step 5: Solve for x
    x = 72,351,149.37/9,816.67
  6. Step 6: Final answer
    x = 7,370.23

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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.