Home / 10,547.42-15,816.36-3,968.93

Finding the Fourth Proportional to 10,547.42, 15,816.36 and 3,968.93

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Solution

The fourth proportional to 10,547.42, 15,816.36 and 3,968.93 is: 5,951.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.42 : 15,816.36 = 3,968.93 : x
  2. Step 2: Convert to fraction form
    10,547.42/15,816.36 = 3,968.93/x
  3. Step 3: Cross multiply
    10,547.42x = 15,816.36 × 3,968.93
  4. Step 4: Simplify right side
    10,547.42x = 62,774,080.12
  5. Step 5: Solve for x
    x = 62,774,080.12/10,547.42
  6. Step 6: Final answer
    x = 5,951.61

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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.