Home / 10,686.24-14,746.80-5,970.48

Finding the Fourth Proportional to 10,686.24, 14,746.80 and 5,970.48

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Solution

The fourth proportional to 10,686.24, 14,746.80 and 5,970.48 is: 8,239.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.24 : 14,746.80 = 5,970.48 : x
  2. Step 2: Convert to fraction form
    10,686.24/14,746.80 = 5,970.48/x
  3. Step 3: Cross multiply
    10,686.24x = 14,746.80 × 5,970.48
  4. Step 4: Simplify right side
    10,686.24x = 88,045,474.46
  5. Step 5: Solve for x
    x = 88,045,474.46/10,686.24
  6. Step 6: Final answer
    x = 8,239.14

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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.