Home / 12,075.08-16,661.30-7,294.05

Finding the Fourth Proportional to 12,075.08, 16,661.30 and 7,294.05

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Solution

The fourth proportional to 12,075.08, 16,661.30 and 7,294.05 is: 10,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.08 : 16,661.30 = 7,294.05 : x
  2. Step 2: Convert to fraction form
    12,075.08/16,661.30 = 7,294.05/x
  3. Step 3: Cross multiply
    12,075.08x = 16,661.30 × 7,294.05
  4. Step 4: Simplify right side
    12,075.08x = 121,528,318.79
  5. Step 5: Solve for x
    x = 121,528,318.79/12,075.08
  6. Step 6: Final answer
    x = 10,064.39

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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.