Home / 35,477.61-53,221.53-11,777.10

Finding the Fourth Proportional to 35,477.61, 53,221.53 and 11,777.10

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Solution

The fourth proportional to 35,477.61, 53,221.53 and 11,777.10 is: 17,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,477.61 : 53,221.53 = 11,777.10 : x
  2. Step 2: Convert to fraction form
    35,477.61/53,221.53 = 11,777.10/x
  3. Step 3: Cross multiply
    35,477.61x = 53,221.53 × 11,777.10
  4. Step 4: Simplify right side
    35,477.61x = 626,795,280.96
  5. Step 5: Solve for x
    x = 626,795,280.96/35,477.61
  6. Step 6: Final answer
    x = 17,667.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.