Home / 7,828.04-10,802.69-4,291.24

Finding the Fourth Proportional to 7,828.04, 10,802.69 and 4,291.24

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Solution

The fourth proportional to 7,828.04, 10,802.69 and 4,291.24 is: 5,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.04 : 10,802.69 = 4,291.24 : x
  2. Step 2: Convert to fraction form
    7,828.04/10,802.69 = 4,291.24/x
  3. Step 3: Cross multiply
    7,828.04x = 10,802.69 × 4,291.24
  4. Step 4: Simplify right side
    7,828.04x = 46,356,935.44
  5. Step 5: Solve for x
    x = 46,356,935.44/7,828.04
  6. Step 6: Final answer
    x = 5,921.91

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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.