Home / 10,539.13-14,610.59-9,977.34

Finding the Fourth Proportional to 10,539.13, 14,610.59 and 9,977.34

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Solution

The fourth proportional to 10,539.13, 14,610.59 and 9,977.34 is: 13,831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.13 : 14,610.59 = 9,977.34 : x
  2. Step 2: Convert to fraction form
    10,539.13/14,610.59 = 9,977.34/x
  3. Step 3: Cross multiply
    10,539.13x = 14,610.59 × 9,977.34
  4. Step 4: Simplify right side
    10,539.13x = 145,774,824.03
  5. Step 5: Solve for x
    x = 145,774,824.03/10,539.13
  6. Step 6: Final answer
    x = 13,831.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.