Home / 9,860.74-13,607.73-5,384.50

Finding the Fourth Proportional to 9,860.74, 13,607.73 and 5,384.50

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Solution

The fourth proportional to 9,860.74, 13,607.73 and 5,384.50 is: 7,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.74 : 13,607.73 = 5,384.50 : x
  2. Step 2: Convert to fraction form
    9,860.74/13,607.73 = 5,384.50/x
  3. Step 3: Cross multiply
    9,860.74x = 13,607.73 × 5,384.50
  4. Step 4: Simplify right side
    9,860.74x = 73,270,822.19
  5. Step 5: Solve for x
    x = 73,270,822.19/9,860.74
  6. Step 6: Final answer
    x = 7,430.56

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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.