Home / 12,395.09-18,595.56-4,075.13

Finding the Fourth Proportional to 12,395.09, 18,595.56 and 4,075.13

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Solution

The fourth proportional to 12,395.09, 18,595.56 and 4,075.13 is: 6,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.09 : 18,595.56 = 4,075.13 : x
  2. Step 2: Convert to fraction form
    12,395.09/18,595.56 = 4,075.13/x
  3. Step 3: Cross multiply
    12,395.09x = 18,595.56 × 4,075.13
  4. Step 4: Simplify right side
    12,395.09x = 75,779,211.07
  5. Step 5: Solve for x
    x = 75,779,211.07/12,395.09
  6. Step 6: Final answer
    x = 6,113.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.