Home / 11,870.44-17,800.05-3,547.55

Finding the Fourth Proportional to 11,870.44, 17,800.05 and 3,547.55

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Solution

The fourth proportional to 11,870.44, 17,800.05 and 3,547.55 is: 5,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.44 : 17,800.05 = 3,547.55 : x
  2. Step 2: Convert to fraction form
    11,870.44/17,800.05 = 3,547.55/x
  3. Step 3: Cross multiply
    11,870.44x = 17,800.05 × 3,547.55
  4. Step 4: Simplify right side
    11,870.44x = 63,146,567.38
  5. Step 5: Solve for x
    x = 63,146,567.38/11,870.44
  6. Step 6: Final answer
    x = 5,319.65

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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.