Home / 7,303.60-10,955.40-2,109.52

Finding the Fourth Proportional to 7,303.60, 10,955.40 and 2,109.52

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Solution

The fourth proportional to 7,303.60, 10,955.40 and 2,109.52 is: 3,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303.60 : 10,955.40 = 2,109.52 : x
  2. Step 2: Convert to fraction form
    7,303.60/10,955.40 = 2,109.52/x
  3. Step 3: Cross multiply
    7,303.60x = 10,955.40 × 2,109.52
  4. Step 4: Simplify right side
    7,303.60x = 23,110,635.41
  5. Step 5: Solve for x
    x = 23,110,635.41/7,303.60
  6. Step 6: Final answer
    x = 3,164.28

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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.