Home / 13,041.07-17,988.55-7,732.13

Finding the Fourth Proportional to 13,041.07, 17,988.55 and 7,732.13

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Solution

The fourth proportional to 13,041.07, 17,988.55 and 7,732.13 is: 10,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.07 : 17,988.55 = 7,732.13 : x
  2. Step 2: Convert to fraction form
    13,041.07/17,988.55 = 7,732.13/x
  3. Step 3: Cross multiply
    13,041.07x = 17,988.55 × 7,732.13
  4. Step 4: Simplify right side
    13,041.07x = 139,089,697.84
  5. Step 5: Solve for x
    x = 139,089,697.84/13,041.07
  6. Step 6: Final answer
    x = 10,665.51

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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.