Home / 8,460.88-11,681.30-5,437.22

Finding the Fourth Proportional to 8,460.88, 11,681.30 and 5,437.22

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Solution

The fourth proportional to 8,460.88, 11,681.30 and 5,437.22 is: 7,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.88 : 11,681.30 = 5,437.22 : x
  2. Step 2: Convert to fraction form
    8,460.88/11,681.30 = 5,437.22/x
  3. Step 3: Cross multiply
    8,460.88x = 11,681.30 × 5,437.22
  4. Step 4: Simplify right side
    8,460.88x = 63,513,797.99
  5. Step 5: Solve for x
    x = 63,513,797.99/8,460.88
  6. Step 6: Final answer
    x = 7,506.76

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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.