Home / 12,110.55-16,712.01-7,075.23

Finding the Fourth Proportional to 12,110.55, 16,712.01 and 7,075.23

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Solution

The fourth proportional to 12,110.55, 16,712.01 and 7,075.23 is: 9,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.55 : 16,712.01 = 7,075.23 : x
  2. Step 2: Convert to fraction form
    12,110.55/16,712.01 = 7,075.23/x
  3. Step 3: Cross multiply
    12,110.55x = 16,712.01 × 7,075.23
  4. Step 4: Simplify right side
    12,110.55x = 118,241,314.51
  5. Step 5: Solve for x
    x = 118,241,314.51/12,110.55
  6. Step 6: Final answer
    x = 9,763.50

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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.