Home / 10,783.44-14,873.76-9,675.36

Finding the Fourth Proportional to 10,783.44, 14,873.76 and 9,675.36

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Solution

The fourth proportional to 10,783.44, 14,873.76 and 9,675.36 is: 13,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.44 : 14,873.76 = 9,675.36 : x
  2. Step 2: Convert to fraction form
    10,783.44/14,873.76 = 9,675.36/x
  3. Step 3: Cross multiply
    10,783.44x = 14,873.76 × 9,675.36
  4. Step 4: Simplify right side
    10,783.44x = 143,908,982.55
  5. Step 5: Solve for x
    x = 143,908,982.55/10,783.44
  6. Step 6: Final answer
    x = 13,345.37

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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.