Home / 9,118.49-12,583.51-4,926.74

Finding the Fourth Proportional to 9,118.49, 12,583.51 and 4,926.74

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Solution

The fourth proportional to 9,118.49, 12,583.51 and 4,926.74 is: 6,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.49 : 12,583.51 = 4,926.74 : x
  2. Step 2: Convert to fraction form
    9,118.49/12,583.51 = 4,926.74/x
  3. Step 3: Cross multiply
    9,118.49x = 12,583.51 × 4,926.74
  4. Step 4: Simplify right side
    9,118.49x = 61,995,619.14
  5. Step 5: Solve for x
    x = 61,995,619.14/9,118.49
  6. Step 6: Final answer
    x = 6,798.89

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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.