Home / 13,056.33-18,017.87-7,088.05

Finding the Fourth Proportional to 13,056.33, 18,017.87 and 7,088.05

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Solution

The fourth proportional to 13,056.33, 18,017.87 and 7,088.05 is: 9,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.33 : 18,017.87 = 7,088.05 : x
  2. Step 2: Convert to fraction form
    13,056.33/18,017.87 = 7,088.05/x
  3. Step 3: Cross multiply
    13,056.33x = 18,017.87 × 7,088.05
  4. Step 4: Simplify right side
    13,056.33x = 127,711,482.97
  5. Step 5: Solve for x
    x = 127,711,482.97/13,056.33
  6. Step 6: Final answer
    x = 9,781.58

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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.