Home / 8,511.58-11,740.71-4,973.50

Finding the Fourth Proportional to 8,511.58, 11,740.71 and 4,973.50

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Solution

The fourth proportional to 8,511.58, 11,740.71 and 4,973.50 is: 6,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.58 : 11,740.71 = 4,973.50 : x
  2. Step 2: Convert to fraction form
    8,511.58/11,740.71 = 4,973.50/x
  3. Step 3: Cross multiply
    8,511.58x = 11,740.71 × 4,973.50
  4. Step 4: Simplify right side
    8,511.58x = 58,392,421.19
  5. Step 5: Solve for x
    x = 58,392,421.19/8,511.58
  6. Step 6: Final answer
    x = 6,860.35

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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.