Home / 11,547.18-17,317.13-4,971.60

Finding the Fourth Proportional to 11,547.18, 17,317.13 and 4,971.60

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Solution

The fourth proportional to 11,547.18, 17,317.13 and 4,971.60 is: 7,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.18 : 17,317.13 = 4,971.60 : x
  2. Step 2: Convert to fraction form
    11,547.18/17,317.13 = 4,971.60/x
  3. Step 3: Cross multiply
    11,547.18x = 17,317.13 × 4,971.60
  4. Step 4: Simplify right side
    11,547.18x = 86,093,818.65
  5. Step 5: Solve for x
    x = 86,093,818.65/11,547.18
  6. Step 6: Final answer
    x = 7,455.83

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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.