Home / 10,642.93-14,687.40-6,167.01

Finding the Fourth Proportional to 10,642.93, 14,687.40 and 6,167.01

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Solution

The fourth proportional to 10,642.93, 14,687.40 and 6,167.01 is: 8,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.93 : 14,687.40 = 6,167.01 : x
  2. Step 2: Convert to fraction form
    10,642.93/14,687.40 = 6,167.01/x
  3. Step 3: Cross multiply
    10,642.93x = 14,687.40 × 6,167.01
  4. Step 4: Simplify right side
    10,642.93x = 90,577,342.67
  5. Step 5: Solve for x
    x = 90,577,342.67/10,642.93
  6. Step 6: Final answer
    x = 8,510.56

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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.