Home / 6,681.20-10,012.68-5,036.38

Finding the Fourth Proportional to 6,681.20, 10,012.68 and 5,036.38

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Solution

The fourth proportional to 6,681.20, 10,012.68 and 5,036.38 is: 7,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.20 : 10,012.68 = 5,036.38 : x
  2. Step 2: Convert to fraction form
    6,681.20/10,012.68 = 5,036.38/x
  3. Step 3: Cross multiply
    6,681.20x = 10,012.68 × 5,036.38
  4. Step 4: Simplify right side
    6,681.20x = 50,427,661.30
  5. Step 5: Solve for x
    x = 50,427,661.30/6,681.20
  6. Step 6: Final answer
    x = 7,547.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.