Home / 10,547.42-15,825.38-3,975.48

Finding the Fourth Proportional to 10,547.42, 15,825.38 and 3,975.48

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Solution

The fourth proportional to 10,547.42, 15,825.38 and 3,975.48 is: 5,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.42 : 15,825.38 = 3,975.48 : x
  2. Step 2: Convert to fraction form
    10,547.42/15,825.38 = 3,975.48/x
  3. Step 3: Cross multiply
    10,547.42x = 15,825.38 × 3,975.48
  4. Step 4: Simplify right side
    10,547.42x = 62,913,461.81
  5. Step 5: Solve for x
    x = 62,913,461.81/10,547.42
  6. Step 6: Final answer
    x = 5,964.82

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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.