Home / 10,842.48-16,171.20-9,444.40

Finding the Fourth Proportional to 10,842.48, 16,171.20 and 9,444.40

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Solution

The fourth proportional to 10,842.48, 16,171.20 and 9,444.40 is: 14,086.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.48 : 16,171.20 = 9,444.40 : x
  2. Step 2: Convert to fraction form
    10,842.48/16,171.20 = 9,444.40/x
  3. Step 3: Cross multiply
    10,842.48x = 16,171.20 × 9,444.40
  4. Step 4: Simplify right side
    10,842.48x = 152,727,281.28
  5. Step 5: Solve for x
    x = 152,727,281.28/10,842.48
  6. Step 6: Final answer
    x = 14,086.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.