Home / 11,328.93-15,641.03-7,297.56

Finding the Fourth Proportional to 11,328.93, 15,641.03 and 7,297.56

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Solution

The fourth proportional to 11,328.93, 15,641.03 and 7,297.56 is: 10,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.93 : 15,641.03 = 7,297.56 : x
  2. Step 2: Convert to fraction form
    11,328.93/15,641.03 = 7,297.56/x
  3. Step 3: Cross multiply
    11,328.93x = 15,641.03 × 7,297.56
  4. Step 4: Simplify right side
    11,328.93x = 114,141,373.13
  5. Step 5: Solve for x
    x = 114,141,373.13/11,328.93
  6. Step 6: Final answer
    x = 10,075.21

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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.