Home / 35,606.10-53,415.58-11,911.40

Finding the Fourth Proportional to 35,606.10, 53,415.58 and 11,911.40

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Solution

The fourth proportional to 35,606.10, 53,415.58 and 11,911.40 is: 17,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,606.10 : 53,415.58 = 11,911.40 : x
  2. Step 2: Convert to fraction form
    35,606.10/53,415.58 = 11,911.40/x
  3. Step 3: Cross multiply
    35,606.10x = 53,415.58 × 11,911.40
  4. Step 4: Simplify right side
    35,606.10x = 636,254,339.61
  5. Step 5: Solve for x
    x = 636,254,339.61/35,606.10
  6. Step 6: Final answer
    x = 17,869.25

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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.