Home / 10,455.02-14,427.95-5,739.60

Finding the Fourth Proportional to 10,455.02, 14,427.95 and 5,739.60

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Solution

The fourth proportional to 10,455.02, 14,427.95 and 5,739.60 is: 7,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.02 : 14,427.95 = 5,739.60 : x
  2. Step 2: Convert to fraction form
    10,455.02/14,427.95 = 5,739.60/x
  3. Step 3: Cross multiply
    10,455.02x = 14,427.95 × 5,739.60
  4. Step 4: Simplify right side
    10,455.02x = 82,810,633.12
  5. Step 5: Solve for x
    x = 82,810,633.12/10,455.02
  6. Step 6: Final answer
    x = 7,920.66

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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.