Home / 9,539.59-14,312.37-4,279.01

Finding the Fourth Proportional to 9,539.59, 14,312.37 and 4,279.01

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Solution

The fourth proportional to 9,539.59, 14,312.37 and 4,279.01 is: 6,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.59 : 14,312.37 = 4,279.01 : x
  2. Step 2: Convert to fraction form
    9,539.59/14,312.37 = 4,279.01/x
  3. Step 3: Cross multiply
    9,539.59x = 14,312.37 × 4,279.01
  4. Step 4: Simplify right side
    9,539.59x = 61,242,774.35
  5. Step 5: Solve for x
    x = 61,242,774.35/9,539.59
  6. Step 6: Final answer
    x = 6,419.85

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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.