Home / 10,365.39-15,546.63-2,970.48

Finding the Fourth Proportional to 10,365.39, 15,546.63 and 2,970.48

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Solution

The fourth proportional to 10,365.39, 15,546.63 and 2,970.48 is: 4,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.39 : 15,546.63 = 2,970.48 : x
  2. Step 2: Convert to fraction form
    10,365.39/15,546.63 = 2,970.48/x
  3. Step 3: Cross multiply
    10,365.39x = 15,546.63 × 2,970.48
  4. Step 4: Simplify right side
    10,365.39x = 46,180,953.48
  5. Step 5: Solve for x
    x = 46,180,953.48/10,365.39
  6. Step 6: Final answer
    x = 4,455.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.