Home / 12,348.02-17,040.09-7,042.93

Finding the Fourth Proportional to 12,348.02, 17,040.09 and 7,042.93

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Solution

The fourth proportional to 12,348.02, 17,040.09 and 7,042.93 is: 9,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.02 : 17,040.09 = 7,042.93 : x
  2. Step 2: Convert to fraction form
    12,348.02/17,040.09 = 7,042.93/x
  3. Step 3: Cross multiply
    12,348.02x = 17,040.09 × 7,042.93
  4. Step 4: Simplify right side
    12,348.02x = 120,012,075.86
  5. Step 5: Solve for x
    x = 120,012,075.86/12,348.02
  6. Step 6: Final answer
    x = 9,719.14

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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.