Home / 7,837.02-10,815.48-4,300.20

Finding the Fourth Proportional to 7,837.02, 10,815.48 and 4,300.20

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Solution

The fourth proportional to 7,837.02, 10,815.48 and 4,300.20 is: 5,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.02 : 10,815.48 = 4,300.20 : x
  2. Step 2: Convert to fraction form
    7,837.02/10,815.48 = 4,300.20/x
  3. Step 3: Cross multiply
    7,837.02x = 10,815.48 × 4,300.20
  4. Step 4: Simplify right side
    7,837.02x = 46,508,727.10
  5. Step 5: Solve for x
    x = 46,508,727.10/7,837.02
  6. Step 6: Final answer
    x = 5,934.49

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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.