Home / 8,547.30-12,814.79-5,767.02

Finding the Fourth Proportional to 8,547.30, 12,814.79 and 5,767.02

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Solution

The fourth proportional to 8,547.30, 12,814.79 and 5,767.02 is: 8,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.30 : 12,814.79 = 5,767.02 : x
  2. Step 2: Convert to fraction form
    8,547.30/12,814.79 = 5,767.02/x
  3. Step 3: Cross multiply
    8,547.30x = 12,814.79 × 5,767.02
  4. Step 4: Simplify right side
    8,547.30x = 73,903,121.39
  5. Step 5: Solve for x
    x = 73,903,121.39/8,547.30
  6. Step 6: Final answer
    x = 8,646.37

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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.