Home / 35,909.37-53,869.90-10,611.45

Finding the Fourth Proportional to 35,909.37, 53,869.90 and 10,611.45

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Solution

The fourth proportional to 35,909.37, 53,869.90 and 10,611.45 is: 15,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,909.37 : 53,869.90 = 10,611.45 : x
  2. Step 2: Convert to fraction form
    35,909.37/53,869.90 = 10,611.45/x
  3. Step 3: Cross multiply
    35,909.37x = 53,869.90 × 10,611.45
  4. Step 4: Simplify right side
    35,909.37x = 571,637,750.36
  5. Step 5: Solve for x
    x = 571,637,750.36/35,909.37
  6. Step 6: Final answer
    x = 15,918.90

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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.