Home / 10,624.36-14,657.70-6,431.08

Finding the Fourth Proportional to 10,624.36, 14,657.70 and 6,431.08

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Solution

The fourth proportional to 10,624.36, 14,657.70 and 6,431.08 is: 8,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,624.36 : 14,657.70 = 6,431.08 : x
  2. Step 2: Convert to fraction form
    10,624.36/14,657.70 = 6,431.08/x
  3. Step 3: Cross multiply
    10,624.36x = 14,657.70 × 6,431.08
  4. Step 4: Simplify right side
    10,624.36x = 94,264,841.32
  5. Step 5: Solve for x
    x = 94,264,841.32/10,624.36
  6. Step 6: Final answer
    x = 8,872.52

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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.