Home / 12,407.21-18,595.16-5,007.55

Finding the Fourth Proportional to 12,407.21, 18,595.16 and 5,007.55

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Solution

The fourth proportional to 12,407.21, 18,595.16 and 5,007.55 is: 7,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407.21 : 18,595.16 = 5,007.55 : x
  2. Step 2: Convert to fraction form
    12,407.21/18,595.16 = 5,007.55/x
  3. Step 3: Cross multiply
    12,407.21x = 18,595.16 × 5,007.55
  4. Step 4: Simplify right side
    12,407.21x = 93,116,193.46
  5. Step 5: Solve for x
    x = 93,116,193.46/12,407.21
  6. Step 6: Final answer
    x = 7,505.01

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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.