Home / 13,075.07-18,043.48-7,106.58

Finding the Fourth Proportional to 13,075.07, 18,043.48 and 7,106.58

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Solution

The fourth proportional to 13,075.07, 18,043.48 and 7,106.58 is: 9,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.07 : 18,043.48 = 7,106.58 : x
  2. Step 2: Convert to fraction form
    13,075.07/18,043.48 = 7,106.58/x
  3. Step 3: Cross multiply
    13,075.07x = 18,043.48 × 7,106.58
  4. Step 4: Simplify right side
    13,075.07x = 128,227,416.33
  5. Step 5: Solve for x
    x = 128,227,416.33/13,075.07
  6. Step 6: Final answer
    x = 9,807.02

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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.