Home / 10,745.56-14,821.36-10,384.32

Finding the Fourth Proportional to 10,745.56, 14,821.36 and 10,384.32

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Solution

The fourth proportional to 10,745.56, 14,821.36 and 10,384.32 is: 14,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.56 : 14,821.36 = 10,384.32 : x
  2. Step 2: Convert to fraction form
    10,745.56/14,821.36 = 10,384.32/x
  3. Step 3: Cross multiply
    10,745.56x = 14,821.36 × 10,384.32
  4. Step 4: Simplify right side
    10,745.56x = 153,909,745.08
  5. Step 5: Solve for x
    x = 153,909,745.08/10,745.56
  6. Step 6: Final answer
    x = 14,323.10

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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.