Home / 7,802.12-10,765.23-4,615.59

Finding the Fourth Proportional to 7,802.12, 10,765.23 and 4,615.59

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Solution

The fourth proportional to 7,802.12, 10,765.23 and 4,615.59 is: 6,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.12 : 10,765.23 = 4,615.59 : x
  2. Step 2: Convert to fraction form
    7,802.12/10,765.23 = 4,615.59/x
  3. Step 3: Cross multiply
    7,802.12x = 10,765.23 × 4,615.59
  4. Step 4: Simplify right side
    7,802.12x = 49,687,911.00
  5. Step 5: Solve for x
    x = 49,687,911.00/7,802.12
  6. Step 6: Final answer
    x = 6,368.51

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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.