Home / 13,075.48-18,044.16-7,107.13

Finding the Fourth Proportional to 13,075.48, 18,044.16 and 7,107.13

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Solution

The fourth proportional to 13,075.48, 18,044.16 and 7,107.13 is: 9,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.48 : 18,044.16 = 7,107.13 : x
  2. Step 2: Convert to fraction form
    13,075.48/18,044.16 = 7,107.13/x
  3. Step 3: Cross multiply
    13,075.48x = 18,044.16 × 7,107.13
  4. Step 4: Simplify right side
    13,075.48x = 128,242,190.86
  5. Step 5: Solve for x
    x = 128,242,190.86/13,075.48
  6. Step 6: Final answer
    x = 9,807.84

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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.