Home / 10,415.52-14,358.47-7,426.17

Finding the Fourth Proportional to 10,415.52, 14,358.47 and 7,426.17

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Solution

The fourth proportional to 10,415.52, 14,358.47 and 7,426.17 is: 10,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.52 : 14,358.47 = 7,426.17 : x
  2. Step 2: Convert to fraction form
    10,415.52/14,358.47 = 7,426.17/x
  3. Step 3: Cross multiply
    10,415.52x = 14,358.47 × 7,426.17
  4. Step 4: Simplify right side
    10,415.52x = 106,628,439.16
  5. Step 5: Solve for x
    x = 106,628,439.16/10,415.52
  6. Step 6: Final answer
    x = 10,237.46

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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.