Home / 13,316.16-18,376.15-7,348.08

Finding the Fourth Proportional to 13,316.16, 18,376.15 and 7,348.08

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Solution

The fourth proportional to 13,316.16, 18,376.15 and 7,348.08 is: 10,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.16 : 18,376.15 = 7,348.08 : x
  2. Step 2: Convert to fraction form
    13,316.16/18,376.15 = 7,348.08/x
  3. Step 3: Cross multiply
    13,316.16x = 18,376.15 × 7,348.08
  4. Step 4: Simplify right side
    13,316.16x = 135,029,420.29
  5. Step 5: Solve for x
    x = 135,029,420.29/13,316.16
  6. Step 6: Final answer
    x = 10,140.27

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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.