Home / 12,055.02-16,637.85-9,216.93

Finding the Fourth Proportional to 12,055.02, 16,637.85 and 9,216.93

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Solution

The fourth proportional to 12,055.02, 16,637.85 and 9,216.93 is: 12,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.02 : 16,637.85 = 9,216.93 : x
  2. Step 2: Convert to fraction form
    12,055.02/16,637.85 = 9,216.93/x
  3. Step 3: Cross multiply
    12,055.02x = 16,637.85 × 9,216.93
  4. Step 4: Simplify right side
    12,055.02x = 153,349,898.80
  5. Step 5: Solve for x
    x = 153,349,898.80/12,055.02
  6. Step 6: Final answer
    x = 12,720.83

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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.