Home / 12,031.40-16,592.58-7,555.58

Finding the Fourth Proportional to 12,031.40, 16,592.58 and 7,555.58

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Solution

The fourth proportional to 12,031.40, 16,592.58 and 7,555.58 is: 10,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.40 : 16,592.58 = 7,555.58 : x
  2. Step 2: Convert to fraction form
    12,031.40/16,592.58 = 7,555.58/x
  3. Step 3: Cross multiply
    12,031.40x = 16,592.58 × 7,555.58
  4. Step 4: Simplify right side
    12,031.40x = 125,366,565.60
  5. Step 5: Solve for x
    x = 125,366,565.60/12,031.40
  6. Step 6: Final answer
    x = 10,419.95

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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.