Home / 10,782.15-14,879.57-6,533.07

Finding the Fourth Proportional to 10,782.15, 14,879.57 and 6,533.07

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Solution

The fourth proportional to 10,782.15, 14,879.57 and 6,533.07 is: 9,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.15 : 14,879.57 = 6,533.07 : x
  2. Step 2: Convert to fraction form
    10,782.15/14,879.57 = 6,533.07/x
  3. Step 3: Cross multiply
    10,782.15x = 14,879.57 × 6,533.07
  4. Step 4: Simplify right side
    10,782.15x = 97,209,239.71
  5. Step 5: Solve for x
    x = 97,209,239.71/10,782.15
  6. Step 6: Final answer
    x = 9,015.76

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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.