Home / 8,462.13-11,681.01-7,576.40

Finding the Fourth Proportional to 8,462.13, 11,681.01 and 7,576.40

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Solution

The fourth proportional to 8,462.13, 11,681.01 and 7,576.40 is: 10,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.13 : 11,681.01 = 7,576.40 : x
  2. Step 2: Convert to fraction form
    8,462.13/11,681.01 = 7,576.40/x
  3. Step 3: Cross multiply
    8,462.13x = 11,681.01 × 7,576.40
  4. Step 4: Simplify right side
    8,462.13x = 88,499,945.76
  5. Step 5: Solve for x
    x = 88,499,945.76/8,462.13
  6. Step 6: Final answer
    x = 10,458.35

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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.