Home / 10,503.04-15,718.23-8,607.01

Finding the Fourth Proportional to 10,503.04, 15,718.23 and 8,607.01

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Solution

The fourth proportional to 10,503.04, 15,718.23 and 8,607.01 is: 12,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.04 : 15,718.23 = 8,607.01 : x
  2. Step 2: Convert to fraction form
    10,503.04/15,718.23 = 8,607.01/x
  3. Step 3: Cross multiply
    10,503.04x = 15,718.23 × 8,607.01
  4. Step 4: Simplify right side
    10,503.04x = 135,286,962.79
  5. Step 5: Solve for x
    x = 135,286,962.79/10,503.04
  6. Step 6: Final answer
    x = 12,880.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.