Home / 10,417.80-14,376.50-5,702.16

Finding the Fourth Proportional to 10,417.80, 14,376.50 and 5,702.16

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Solution

The fourth proportional to 10,417.80, 14,376.50 and 5,702.16 is: 7,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.80 : 14,376.50 = 5,702.16 : x
  2. Step 2: Convert to fraction form
    10,417.80/14,376.50 = 5,702.16/x
  3. Step 3: Cross multiply
    10,417.80x = 14,376.50 × 5,702.16
  4. Step 4: Simplify right side
    10,417.80x = 81,977,103.24
  5. Step 5: Solve for x
    x = 81,977,103.24/10,417.80
  6. Step 6: Final answer
    x = 7,868.95

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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.