Home / 13,036.10-17,985.08-8,562.26

Finding the Fourth Proportional to 13,036.10, 17,985.08 and 8,562.26

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Solution

The fourth proportional to 13,036.10, 17,985.08 and 8,562.26 is: 11,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.10 : 17,985.08 = 8,562.26 : x
  2. Step 2: Convert to fraction form
    13,036.10/17,985.08 = 8,562.26/x
  3. Step 3: Cross multiply
    13,036.10x = 17,985.08 × 8,562.26
  4. Step 4: Simplify right side
    13,036.10x = 153,992,931.08
  5. Step 5: Solve for x
    x = 153,992,931.08/13,036.10
  6. Step 6: Final answer
    x = 11,812.81

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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.