Home / 8,848.47-12,210.63-4,869.58

Finding the Fourth Proportional to 8,848.47, 12,210.63 and 4,869.58

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Solution

The fourth proportional to 8,848.47, 12,210.63 and 4,869.58 is: 6,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.47 : 12,210.63 = 4,869.58 : x
  2. Step 2: Convert to fraction form
    8,848.47/12,210.63 = 4,869.58/x
  3. Step 3: Cross multiply
    8,848.47x = 12,210.63 × 4,869.58
  4. Step 4: Simplify right side
    8,848.47x = 59,460,639.64
  5. Step 5: Solve for x
    x = 59,460,639.64/8,848.47
  6. Step 6: Final answer
    x = 6,719.88

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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.