Home / 7,918.93-10,926.57-4,381.48

Finding the Fourth Proportional to 7,918.93, 10,926.57 and 4,381.48

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Solution

The fourth proportional to 7,918.93, 10,926.57 and 4,381.48 is: 6,045.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.93 : 10,926.57 = 4,381.48 : x
  2. Step 2: Convert to fraction form
    7,918.93/10,926.57 = 4,381.48/x
  3. Step 3: Cross multiply
    7,918.93x = 10,926.57 × 4,381.48
  4. Step 4: Simplify right side
    7,918.93x = 47,874,547.92
  5. Step 5: Solve for x
    x = 47,874,547.92/7,918.93
  6. Step 6: Final answer
    x = 6,045.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.