Home / 7,905.63-10,909.76-4,368.84

Finding the Fourth Proportional to 7,905.63, 10,909.76 and 4,368.84

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Solution

The fourth proportional to 7,905.63, 10,909.76 and 4,368.84 is: 6,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.63 : 10,909.76 = 4,368.84 : x
  2. Step 2: Convert to fraction form
    7,905.63/10,909.76 = 4,368.84/x
  3. Step 3: Cross multiply
    7,905.63x = 10,909.76 × 4,368.84
  4. Step 4: Simplify right side
    7,905.63x = 47,662,933.12
  5. Step 5: Solve for x
    x = 47,662,933.12/7,905.63
  6. Step 6: Final answer
    x = 6,028.98

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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.