Home / 11,509,124.08-15,880,220.32-6,613,400.32

Finding the Fourth Proportional to 11,509,124.08, 15,880,220.32 and 6,613,400.32

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Solution

The fourth proportional to 11,509,124.08, 15,880,220.32 and 6,613,400.32 is: 9,125,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509,124.08 : 15,880,220.32 = 6,613,400.32 : x
  2. Step 2: Convert to fraction form
    11,509,124.08/15,880,220.32 = 6,613,400.32/x
  3. Step 3: Cross multiply
    11,509,124.08x = 15,880,220.32 × 6,613,400.32
  4. Step 4: Simplify right side
    11,509,124.08x = 105,022,254,145,958.52
  5. Step 5: Solve for x
    x = 105,022,254,145,958.52/11,509,124.08
  6. Step 6: Final answer
    x = 9,125,130.06

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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.