Home / 7,995.20-11,036.13-4,810.28

Finding the Fourth Proportional to 7,995.20, 11,036.13 and 4,810.28

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Solution

The fourth proportional to 7,995.20, 11,036.13 and 4,810.28 is: 6,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.20 : 11,036.13 = 4,810.28 : x
  2. Step 2: Convert to fraction form
    7,995.20/11,036.13 = 4,810.28/x
  3. Step 3: Cross multiply
    7,995.20x = 11,036.13 × 4,810.28
  4. Step 4: Simplify right side
    7,995.20x = 53,086,875.42
  5. Step 5: Solve for x
    x = 53,086,875.42/7,995.20
  6. Step 6: Final answer
    x = 6,639.84

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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.