Home / 9,904.02-13,666.77-5,711.46

Finding the Fourth Proportional to 9,904.02, 13,666.77 and 5,711.46

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Solution

The fourth proportional to 9,904.02, 13,666.77 and 5,711.46 is: 7,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904.02 : 13,666.77 = 5,711.46 : x
  2. Step 2: Convert to fraction form
    9,904.02/13,666.77 = 5,711.46/x
  3. Step 3: Cross multiply
    9,904.02x = 13,666.77 × 5,711.46
  4. Step 4: Simplify right side
    9,904.02x = 78,057,210.18
  5. Step 5: Solve for x
    x = 78,057,210.18/9,904.02
  6. Step 6: Final answer
    x = 7,881.37

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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.