Home / 8,123.76-11,210.40-4,587.48

Finding the Fourth Proportional to 8,123.76, 11,210.40 and 4,587.48

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Solution

The fourth proportional to 8,123.76, 11,210.40 and 4,587.48 is: 6,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.76 : 11,210.40 = 4,587.48 : x
  2. Step 2: Convert to fraction form
    8,123.76/11,210.40 = 4,587.48/x
  3. Step 3: Cross multiply
    8,123.76x = 11,210.40 × 4,587.48
  4. Step 4: Simplify right side
    8,123.76x = 51,427,485.79
  5. Step 5: Solve for x
    x = 51,427,485.79/8,123.76
  6. Step 6: Final answer
    x = 6,330.50

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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.