Home / 12,030.55-16,602.23-6,725.45

Finding the Fourth Proportional to 12,030.55, 16,602.23 and 6,725.45

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Solution

The fourth proportional to 12,030.55, 16,602.23 and 6,725.45 is: 9,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.55 : 16,602.23 = 6,725.45 : x
  2. Step 2: Convert to fraction form
    12,030.55/16,602.23 = 6,725.45/x
  3. Step 3: Cross multiply
    12,030.55x = 16,602.23 × 6,725.45
  4. Step 4: Simplify right side
    12,030.55x = 111,657,467.75
  5. Step 5: Solve for x
    x = 111,657,467.75/12,030.55
  6. Step 6: Final answer
    x = 9,281.16

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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.