Home / 12,345.02-17,036.15-6,756.02

Finding the Fourth Proportional to 12,345.02, 17,036.15 and 6,756.02

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Solution

The fourth proportional to 12,345.02, 17,036.15 and 6,756.02 is: 9,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345.02 : 17,036.15 = 6,756.02 : x
  2. Step 2: Convert to fraction form
    12,345.02/17,036.15 = 6,756.02/x
  3. Step 3: Cross multiply
    12,345.02x = 17,036.15 × 6,756.02
  4. Step 4: Simplify right side
    12,345.02x = 115,096,570.12
  5. Step 5: Solve for x
    x = 115,096,570.12/12,345.02
  6. Step 6: Final answer
    x = 9,323.32

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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.