Home / 10,228.40-15,342.60-9,353.60

Finding the Fourth Proportional to 10,228.40, 15,342.60 and 9,353.60

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Solution

The fourth proportional to 10,228.40, 15,342.60 and 9,353.60 is: 14,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.40 : 15,342.60 = 9,353.60 : x
  2. Step 2: Convert to fraction form
    10,228.40/15,342.60 = 9,353.60/x
  3. Step 3: Cross multiply
    10,228.40x = 15,342.60 × 9,353.60
  4. Step 4: Simplify right side
    10,228.40x = 143,508,543.36
  5. Step 5: Solve for x
    x = 143,508,543.36/10,228.40
  6. Step 6: Final answer
    x = 14,030.40

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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.