Home / 7,159.36-9,881.28-4,365.76

Finding the Fourth Proportional to 7,159.36, 9,881.28 and 4,365.76

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Solution

The fourth proportional to 7,159.36, 9,881.28 and 4,365.76 is: 6,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.36 : 9,881.28 = 4,365.76 : x
  2. Step 2: Convert to fraction form
    7,159.36/9,881.28 = 4,365.76/x
  3. Step 3: Cross multiply
    7,159.36x = 9,881.28 × 4,365.76
  4. Step 4: Simplify right side
    7,159.36x = 43,139,296.97
  5. Step 5: Solve for x
    x = 43,139,296.97/7,159.36
  6. Step 6: Final answer
    x = 6,025.58

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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.