Home / 10,642.95-14,685.99-6,166.08

Finding the Fourth Proportional to 10,642.95, 14,685.99 and 6,166.08

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Solution

The fourth proportional to 10,642.95, 14,685.99 and 6,166.08 is: 8,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.95 : 14,685.99 = 6,166.08 : x
  2. Step 2: Convert to fraction form
    10,642.95/14,685.99 = 6,166.08/x
  3. Step 3: Cross multiply
    10,642.95x = 14,685.99 × 6,166.08
  4. Step 4: Simplify right side
    10,642.95x = 90,554,989.22
  5. Step 5: Solve for x
    x = 90,554,989.22/10,642.95
  6. Step 6: Final answer
    x = 8,508.45

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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.