Home / 11,698.19-17,547.36-4,678.79

Finding the Fourth Proportional to 11,698.19, 17,547.36 and 4,678.79

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Solution

The fourth proportional to 11,698.19, 17,547.36 and 4,678.79 is: 7,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.19 : 17,547.36 = 4,678.79 : x
  2. Step 2: Convert to fraction form
    11,698.19/17,547.36 = 4,678.79/x
  3. Step 3: Cross multiply
    11,698.19x = 17,547.36 × 4,678.79
  4. Step 4: Simplify right side
    11,698.19x = 82,100,412.49
  5. Step 5: Solve for x
    x = 82,100,412.49/11,698.19
  6. Step 6: Final answer
    x = 7,018.21

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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.