Home / 9,808.24-13,516.05-9,685.66

Finding the Fourth Proportional to 9,808.24, 13,516.05 and 9,685.66

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Solution

The fourth proportional to 9,808.24, 13,516.05 and 9,685.66 is: 13,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.24 : 13,516.05 = 9,685.66 : x
  2. Step 2: Convert to fraction form
    9,808.24/13,516.05 = 9,685.66/x
  3. Step 3: Cross multiply
    9,808.24x = 13,516.05 × 9,685.66
  4. Step 4: Simplify right side
    9,808.24x = 130,911,864.84
  5. Step 5: Solve for x
    x = 130,911,864.84/9,808.24
  6. Step 6: Final answer
    x = 13,347.13

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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.