Home / 42,708.85-64,063.28-11,544.10

Finding the Fourth Proportional to 42,708.85, 64,063.28 and 11,544.10

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Solution

The fourth proportional to 42,708.85, 64,063.28 and 11,544.10 is: 17,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,708.85 : 64,063.28 = 11,544.10 : x
  2. Step 2: Convert to fraction form
    42,708.85/64,063.28 = 11,544.10/x
  3. Step 3: Cross multiply
    42,708.85x = 64,063.28 × 11,544.10
  4. Step 4: Simplify right side
    42,708.85x = 739,552,779.35
  5. Step 5: Solve for x
    x = 739,552,779.35/42,708.85
  6. Step 6: Final answer
    x = 17,316.15

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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.